How many of you-- I was walking with a student over to my office after lecture the other day to get some material to him.

你们中有哪几位,前些天我和一个学生在课后,一起去我的办公室取材料

耶鲁公开课 - 聆听音乐课程节选

Sure. I used to read when I was a student every day.

当然了。我以前上学的时候,每天都会看这份报纸。

普林斯顿公开课 - 国际座谈会课程节选