C133 Where Does Tao Come From?

When Ye Feng and the old man left the library, they received a phone call from Wu Yanhui, asking them why they didn't come to work today. Ye Feng said that there was a class that they couldn't miss, so they temporarily had to ask for a day's leave.

Wu Yanhui did not say much and directly hung up the phone. Ye Feng glanced at his phone