When baby teeth begin to appear, you can clean them with a wet toothbrush.

VOA: special.2009.03.11

When you start describing the significance of a symbol like the tunnel, which recurs in the book, you immediately begin to limit it, and a symbol should go on deepening.

当你开始描述一个象征的意义,比如说在书中，反复出现的隧道，当你一开始予以限制，这个象征就会继续深化。

耶鲁公开课 - 1945年后的美国小说课程节选

You were nothing to begin with; you'll be nothing when you're finished. Relax.

你出生前一无所有,当你死去后也什么都不是,放轻松

耶鲁公开课 - 古希腊历史简介课程节选

I want to talk about the goal of the course, what it is you'll be able to do at the end of this course when you get through it, and then I want to begin talking about the concepts and tools of computational thinking, which is what we're primarily going to focus on here.

我想讲讲课程目标，也就是当你们完成了这门课时,应该达到的程度，接下来我想开始谈谈,计算思维的概念和方法，即这门课程的核心内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

But when you remember that the subject at hand is actually in some way sex, then you can begin to associate the Lady's image of this moderate consumption of natural wealth - with some version of -- if this makes sense -- some version of an act of sexual consummation.

但是当你们想起,现在讨论的话题其实是性，然后你们可以将这位女士,关于适量消费自然财富的形象,与一些版本--如果那有意义-,一些版本关于性圆满的行为联系起来。

耶鲁公开课 - 弥尔顿课程节选