Perhaps he was really shocked by Chi Wan and Song Ci's actions, but that person's voice was extremely loud, even a little broken.
But he couldn't care less.
This was Professor Chi's personal elevator. Only Professor Chi and those old professors who had been in contact with Professor Chi for a long time and had been eager to get the right to take the elevator would have this honor.
It wasn't that the research institute was divided into different classes.
The reason why technology had not been widely promoted was that there were still drawbacks. This was a small invention that Professor Chi had casually made a few years ago. The reason why this technology had not been announced to the public was because it was not rigorous and was like a joke.
The elevator was useful, but it couldn't remember how many people there were.