First meeting:
Mo Junning: If you don't mind, we can give the teacher a ride.
Bai Zige: No, no, I'll just go back by myself.
Second meeting:
Bai Zige: Hello, Mr. Xue.
Mo Junning: My surname is not Xue, teacher.
The third meeting:
Bai Zige: Mr. Mo, are you here to pick up your nephew?
Mo Junning: I'm waiting for you, Teacher Bai.
...