But all of the TAs, many of whom are sitting down in the front row over here, are here to help, so come and ask.

不过所有坐在前排的,助教们都是来帮忙的，所以请尽情问问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Next, if you're going to sleep, I ask you to sit between two non-sleepers because sometimes what happens, the whole row will topple over.

另外,如果你要睡觉的话,请坐在两个不睡觉的同学中间,因为有时候,整排的人都倒下了

耶鲁公开课 - 基础物理课程节选