The idea is to get better prepared students to explain things to the less well-prepared students.

我们想让准备更好的同学,给没准备好的同学讲解。

麻省理工公开课 - 媒体、教育、市场课程节选

It is really going to give you a whole packaged reading of Franny and Zooey.We have just the one day on this novel, and what I'm going to be doing for you is modeling the way literary critics use evidence to advance an argument.

实际上，我从整体上全面的给你们讲解这部小说,关于这部小说我们只有一天的时间，我将要做的是为你们建立起,文学评论家使用例子来论证的模式。

耶鲁公开课 - 1945年后的美国小说课程节选