But then we have to ask-- so I'll throw the question out and we'll call it a day, start with this next time-- then we have to ask, ? would it really be better to know?

但是接下来我们要问-,我把问题提出来便结束今天的课程，下节课从这个问题开始-,接下来我们要问，知道了真的会更好吗？

耶鲁公开课 - 死亡课程节选

Let's call x the thing I'm trying to find the square root of. Let's start at 1. Square it.

让我们把求平方根的对象,这个数称为x，让我们从1开始。

麻省理工公开课 - 计算机科学及编程导论课程节选