I've always been told that any serious introduction to political philosophy has to start with a big piece of Plato.

我一向听说,任何严谨的政治哲学导论,都要从大量的引介柏拉图开始。

耶鲁公开课 - 政治哲学导论课程节选

They started something that you may have heard of called The Baby Boom, so the birth rate shot way up and everyone wanted a home.

你们应该听说过那时候开始的,所谓的婴儿潮,出生率激增而且每个人都想要一套房子

耶鲁公开课 - 金融市场课程节选

I wanted to introduce it to you so that if you don't haven't heard about this before you might want to read a little bit about this before we get to Chapter 5.

我想给你们介绍一下细胞膜,所以如果你没有,以前没听说过这个的话,也许你在学到第五章之前,要读一点关于这些的文献

耶鲁公开课 - 生物医学工程探索课程节选

Now many of you may have heard, many of you may know, and if you don't already know this, I should warn you, that I have a reputation around Yale as being a harsh grader.

你们中的大多数可能听说过，你们中的一部分可能知道，如果你真的不知道，那么我要警告你，我在耶鲁,是出了名的严厉。

耶鲁公开课 - 死亡课程节选