After following two people, one big and one small, entering the room, Ye Zhou began to carefully observe the layout of this small-sized farmhouse.

The furnishings in the room are extremely simple. There is only a table wrapped in four corners and two short chairs in the living room. With a sofa placed in the corner, no one has ever sat on it from the clothes piled on the sofa.

There is no real kitchen in the room, but a small area is marked in the living room, and there are induction cookers, pots and some simple bowls and chopsticks on the table. What surprised Ye Zhou was that they actually had an induction cooker that looked very new.

"Do you and your sister live in it normally? Is this house yours own or?"

Ye Zhou asked.

"The house was rented by the neighborhood committee for us, so there is no need to spend money. I applied for free evening self-study, came back every day to cook for her, and then went to class during the day."

"Are you tired?"

"Actually, it's okay. We are not as hard as others seem. It's just that Yaoyao is more troublesome to go to school in the future--but the neighborhood committee is also trying to solve it, and I'll send her to the special education school next year."

Looking at Yang Yijin's calm and peaceful expression, Ye Zhou realized that his heart might be stronger than he thought.

But thinking about it, it is impossible for those who can survive in this huge city after both parents passed away and pull their sister to survive.

"Do you have a source of income in normal times? Or do you rely solely on subsidies?"

On the other hand, Yang Yijin quickly moved two brand new folding chairs from the room and sat down. He helped his sister put on headphones, turned on the cartoon in her phone, poured out the bacon from the bag onto the plate, and then finally took a breath and sat down opposite Ye Zhou.

"Now the main source of income is subsidies. My parents had no insurance at all before, so they took a little compensation. The medical treatment for my sister is almost spent."

"The main reason is that I am not yet an adult, and no one wants to do part-time jobs on weekends--but I can be a doll and send flyers. I am tall enough. This is quite profitable. It costs 100 or 200 yuan a day. Some stores also offer commissions. If you pull in a customer, you will get one yuan. At most, I earn more than 400 yuan a day."

Ye Zhou nodded slightly. He remembered that he also worked as a part-time job for dolls for others during the holiday when he graduated from high school. In the heat of 30 degrees, he had to stand outdoors all day and act cute and attract customers. It was really not an easy job.

At least it is not as relaxed as Yang Yijin said.

After thinking for a while, he continued to ask:

"What are your plans for the future? I'm talking about going to college and working, have you considered it?"

"Yes, but I don't think this is a serious problem. I guess the tuition fee for high school later will cost about 20,000 yuan, and it just so much left in the deposit, which is basically enough."

"If I go to college myself, I will definitely take the national defense university. In this way, the tuition and living expenses are exempted, and there is basically no pressure."

"The main problem now is Yaoyao's problem. She spends too much money to go to school. If her eyes cannot be cured... To be honest, it is impossible to afford it with subsidies."

Speaking of this, he paused for a moment, then Zhan Yan smiled.

"But there is still hope. If your AVS technology can be successful, at least she can basically return to normal life in the future, and the pressure will be much less."

"Do you know AVS?"

Ye Zhou asked in surprise.

"You can search online. I have a mobile phone. I have already studied it before."

Ye Zhou nodded with a smile. From the boy opposite, he saw a maturity that was completely beyond this age, which made him slightly relieved of his previous worries.

If the other party, as the only "de facto" guardian of the experimenter, does not meet the corresponding standards in terms of handling affairs, then he will stop the experiment without hesitation.

This is not a plot of the Virgin Mary, but the most basic rational judgment of scientific researchers.

Now, the boy's reaction clearly conveyed a message to him: he knew the significance of this technology and had a preliminary understanding of it.

This alone is already much better than many adults.

After pausing for a moment, Ye Zhou looked at the other party's eyes and then asked solemnly:

"Since you understand this technology, do you also know the risks of this experiment?"

Hearing Ye Zhou's words, Yang Yijin nodded solemnly, and then answered:

"Uncle Chen told me before that it is mainly because there is a possibility of mental damage. But Aunt Liu and I - our guardian - I have read the test reports of several other people with her. The most serious of them was just mild symptoms and recovered in the next few days."

"Yaoyao's previous test results were much better than theirs. I observed her for a long time, but there was no special change. I feel that this technology should not have any negative impact on her."

"Not observed now does not mean there is no."

Ye Zhou said seriously.

"I know, but her eyes must be cured."

"It's not that urgent, right?"

Yang Yijin shook his head, glanced at Yaoyao, who was "looking at" the cartoon with relish, and then said:

"Uncle Ye, things are not what you think."

"Maybe in your opinion, I don't need to let Yaoyao participate in this experiment, because our lives are still stable now. Although there may be some difficulties in the future, I can get through it by thinking about other ways."

"I can wait until this technology is mature and the equipment is perfect, and then buy Yaoyao such a device to help her restore her vision, right?"

Seeing Ye Zhou nodding, he continued:

"But the question is, how long will it take?"

"Uncle Ye, in order to determine whether this technology is safe, I have checked some other information and found some development history of similar technologies. The most typical of them is cochlear implant technology."

"This technology appeared in the 1950s and has developed and matured in the 1990s. However, until now, it still costs more than 200,000 yuan to install a cochlear implant."

"I think AVS technology is actually an upgraded version of cochlear implant technology. It will also become popular in the future, but the price will definitely not be low."

"It will take me at least 8 years - it should be 10 years before I can have the ability to pay for cochlear implants. If I consider the development of AVS technology, this time should be extended to about 15 years. This is the most optimistic situation, because the AVS technology, which has just been born for 15 years, will definitely be very expensive."

"By that time, Yaoyao was already 22 years old, and the most important period of her life would be spent in the darkness, which was unfair to her."

"More importantly, the most ideal operation time for cochlear implants is in childhood. What about this AVS technology? It should be the same, right?"

"So, the key to the problem is not when this technology can develop and mature, but when I can have that economic strength."

"But it is obvious that the growth of my economic strength cannot keep up with Yaoyao's age, so we can only choose to take risks."

"After all, she is in good condition and the risks are not high...and, this is free."

Ye Zhou looked at Yang Yijin's face opposite him in shock. If he hadn't seen it with his own eyes, he could hardly believe that this was something a 14-year-old junior high school student could say.

The other party examined the future of himself and his sister with a calm and almost cold look, and then after fully understanding the information he had, he proposed a logic that could be said to be impeccable and self-consistent.

Of course, in Ye Zhou's own opinion, this logic actually has loopholes. For example, when the AVS technology leaked from him, it had reached its ultimate form after maturity, so it did not take that long to develop; for example, the risks of this technology not only depend on the current reaction, but more importantly, the cumulative negative impact in the future.

But it is undeniable that the choice he made was definitely the most rational decision he could make based on his conditions.

A young man had such a terrifying mind. At a certain moment, Ye Zhou almost suspected that he was a time traveler.

Both parents died, sister was blind, she was a junior high school student... Isn't this a perfect template for the male lead of a cool article?

"Did you think of these things yourself?"

"No, I asked the teacher, and then discussed it with Uncle Chen. I read some information and thought for a long time before I decided to do this."

"I have convinced Aunt Liu, and she also agreed to my decision. When the experiment starts tomorrow, she will sign as a guardian."

Hearing this, Ye Zhou breathed a little relieved.

At least this process doesn't sound that evil.

Then, he turned to Chen Li on the side and asked:

"What about your advice? Is it risky?"

Chen Li is a first-hand data master, and his suggestions are also of great importance in such key decisions.

Chen Li thought for a moment and answered:

"I personally agree with Xiao Yang's view--this is the best choice for them."

"In addition, from a risk perspective, I think it is controllable. We have done a comprehensive analysis of Yaoyao's neural dataset. At present, she has a good tolerance for external signals--we have also done tests myself. Even a sound adult has the ability to correct wrong signals as well as hers."

"A very simple example is that babies will encounter inverted vision during the developmental stage, because our retinal structure will cause the image of the object we see to be inverted. For ordinary babies, they may need more than 10 adjustments to be completely corrected, but Yaoyao only needs two."

"So, in general, she is not actually a 'force' choice, but the best choice."

Hearing this, Ye Zhou was silent for a few seconds and finally nodded.

In fact, the main problem he wanted to solve during his home visit has already been answered, so he has no reason to oppose this experiment again.

Risks will inevitably exist, but there will inevitably be people who are willing to bear this risk for various reasons. Their reasons may not be so noble and great, but this does not prevent them from becoming so-called pioneers.

And now, this little girl, who is only 7 years old, is about to embark on the road of exploration.

Seeing Ye Zhou nodding, Yang Yijin on the opposite side jumped off the chair happily, stopped Ye Zhou and the others who were getting up and about to leave, pointed to the bacon on the table and said:

"Uncle, stay for dinner. This is the bacon from the second uncle's house, it's so delicious."

While talking, he took out the cut vegetables neatly sealed with plastic wrap from the refrigerator, skillfully took them under the faucet outside the door to rinse them clean, turned on the induction cooker and started cooking.

"Why don't you use a gas stove?"

Ye Zhou helped him out and asked curiously.

“…”

Yang Yijin was silent for a few seconds before answering:
Chapter completed!