So I thought I'd begin with a short note that one of your classmates sent to me earlier this week.

我从这周早些时候,你们其中一个同学给我的一张字条开始。

哈佛公开课 - 计算机科学课程节选

You need to listen to what your classmates are saying and say why you disagree with them.

你需要去听你的同学在说什么,跟为什么你和他们意见不一。

耶鲁公开课 - 死亡课程节选