The incident of Zhang Tingting's return did not bring any difference to Chen Xiayue and the others. Even if Zhou Yunyue, a person who dislikes Zhang Tingting everywhere, went back on the third day after returning to her parents' home, if she stayed at her parents' home for too long, then her in-laws would definitely have an objection.

Zhou Yunyue's family is different from Zhang Tingting's family. Back then, Zhang Tingting's family was able to attack the Zheng family for her just to seek justice for Zhang Tingting. Even if Zhou Yunyue's family fought with the Zheng family, it was for his own benefit rather than Zhou Yunyue.

Zhou Yunyue didn't want to stay at her parents' home for too long. Even when she was in the Zheng family, she had to look at the face of the Zheng family. She had to do a lot of things, which was better than in her parents' home. She also had to do everything in her parents' home, and she was also complained that her parents' living standards were much worse than those in the Zheng family.

In my parents' home, my food and clothing are definitely poor. Even now, everyone in Yunhe Brigade has lived a lot of wealth and will not be able to eat enough or wear warm. But Zhou Yunyue's parents' home is still very stingy and will never give her any good treatment to her daughter.

In the Zheng family, no matter how bad the people in the Zheng family don’t like her, they won’t treat her too harshly in food and clothing. Otherwise, when she goes out, others will see something wrong, and the reputation of the Zheng family will be even worse.

For the sake of face, the Zheng family could not treat her harshly.

Zhou Yunyue went back, but Zhang Tingting didn't react. During the period of time when she returned home, she went to work with her parents from time to time, and went out from time to time to visit relatives with good relationships, especially with Chen Xiayue, a sister-in-law who has a lot of pharmacological knowledge, who has more topics to talk about.

Zhang Tingting has been having a fulfilling life these days when she returned home. She has forced herself too hard because of her studies in recent years, and now she is relaxing.

Chen Xiayue didn't care so much, and Zhang Tingting wouldn't refuse if she wanted to talk to her. Although the relationship was not as good as before, there was no need to never interact with each other. She and Zhang Tingting had no grudges.

Chen Xiayue took the pharmacological books of the interstellar plane translated by Zhang Chengchuan and the old professors in the 22nd century and studied them with Mo Yichen. The master and apprentice worked hard to study various prescriptions and medicinal materials in the interstellar plane. While studying, she lamented that the interstellar plane was indeed vast and had a vast land.

China is also a country with vast land and vast land, but it is not enough to see the interstellar planes. After all, the interstellar planes are all based on the planets as their geographical coordinates. A country has several galaxies, and the interstellar planes are large and they have many species.

"This plant called Sleeping Grass is very good. It actually has the effect of sleeping and calming the mind. If used as medicine, it should easily make people have a good sleep." Mo Yichen said to Chen Xiayue at a page above the "Plant Collection".

"Teacher, do you also have troubles with insomnia?" Chen Xiayue was very curious. After all, her teacher is a big shot in the medical field. She should have been very good at regulating her body over the years, so she should not have troubles with insomnia, right?

Other big guys are either extremely smart or only have high school education. Their teachers don’t look like people who are almost fifty years old, so they shouldn’t be troubled by insomnia, right?

"I don't have the trouble of insomnia, but most people have it." Mo Yichen said. His body is very healthy, and insomnia is only the time when Xu Jinyuan was in trouble back then. More than 20 years have been enough for him to adjust his mentality.

So he doesn't have the trouble of insomnia now.

"Then we should start trying how to use this sleeping grass as a sleeping pill?" Chen Xiayue asked.

Didn’t sleeping pills have been available for a long time? It was also available in the 21st century. She didn’t believe that there were no sleeping pills in the 22nd century when medicine was more developed.

"But the sleeping pills on the market are not that good. You don't look at the fact that there were sleeping pills in the 21st century, many people couldn't sleep well, and the problem of insomnia has always troubled countless people. Moreover, taking too much sleeping pills is not good for the health."

"That's right, even in the 21st century, there were many people who had insomnia, and sleeping pills were useless to them." Chen Xiayue was very clear, just like she had insomnia in her previous life. Why did she show signs of baldness in her previous life? Isn't that because of too much stress, she is not good at sleeping?

Sleeping pills are indeed available in the 21st century, but they are not as effective for many people. Eating less is not effective, and eating too much is equivalent to suicide.

So, can this sleeping grass have a better effect than sleeping pills?

Chen Xiayue was quite curious. Although she had not had any trouble with insomnia in her life, she would still study it with her teacher even if it benefits her compatriots.

Chen Xiayue was studying pharmacology with her teacher here, and Zhang Chengchuan, on the other side, went to visit Emperor Taizong of Tang with nothing to do.

Just as Li Shimin brought Li Chengqian over, Chen Shan notified Zhang Chengchuan, and he went directly to the shop where the Tang plane was located.

"What do the two guests need to buy this time?" Chen Shan greeted the guests politely.

Zhang Chengchuan was watching from the counter. Zhang Chengchuan, who had short hair and was wearing a work suit, was very eye-catching, especially in the eyes of ancient people like Li Shimin and his son.

"Who is this?" Li Shimin looked at Zhang Chengchuan and asked.

Chen Shanmeng introduced without changing her face, "This is our boss's husband. Our boss has no time to come here today, so the gentleman came here."

The system is really considerate. The language of the Tang Dynasty is not authentic Mandarin. Even if Zhang Chengchuan knows Mandarin, to be honest, the Yunhe Brigade generally speaks dialects.

The language system entered by intelligent robots such as Chen Shan and others is a common language for interstellar, but the systems are all translated.

Just like Chen Yi was inaccessible communication when facing Chinese people in the 22nd century, Chen Er was inaccessible communication when facing people from the Magic Continent, all because the system's translation system was very powerful.

Now Chen Shan is facing Li Shimin and his son who speaks ancient Chinese in the Tang Dynasty, but they still have access to communication. Li Shimin and his son may not know that Chen Shan is actually speaking interstellar common language, and what they hear is always the language they are familiar with.

"Hello, my surname is Zhang, just call me Mr. Zhang." Zhang Chengchuan didn't care about the meaning of the word "Mr." in ancient times, and introduced himself in his own way.

"Mr. Zhang?" Li Shimin looked at Zhang Chengchuan with short hair and convenient blue work clothes. He really couldn't think of what kind of gentleman he was.

The word "sir" was generally obtained by respected people in ancient times. What kind of person is Mr. Zhang in front of him? Why can he be called "sir"?
Chapter completed!