youdao

如果不先讲民间故事，我们就不能讲童话因为这两种类型的故事之间有很强的联系。

Now we can't really talk about fairy tales without first talking about folktales because there's a strong connection between these two genres, these two types of stories.

youdao

那么，我们要先讲完周期性规律。

So, we need to finish up with periodic trends.

youdao

What in the world does that have to do with my divisor example? Well, actually, before I do that let me in fact fill in a piece here.

那么这到底跟我的除数的例子有什么关系呢？,好，实际上，在我讲之前请我先来补充一点，大家还记得我说过,我们可以概念上认为。

麻省理工公开课 - 计算机科学及编程导论课程节选

Let me tell you two stories that might-- well, look, before I tell you the stories here's the other side.

让我告诉你们两个故事-,在我讲故事之前,先讲下另一面。

耶鲁公开课 - 死亡课程节选

We'll come back to that in a second, but let me make a different remark before we get there.

我们待会回来讲它,我先讲另一个要点

耶鲁公开课 - 博弈论课程节选