Now that we have a good grasp on the pigeonhole principle, let"s see how it can be used. Here are 16 of my favorite applications, categorized by difficultly".

现在我们对鸽子洞原理有了较好的理解，现在来是怎么运用的。以难易程度分类，我喜欢的有16种。

youdao

And here I want to look at page let's see--page 79, actually first on 47, just in passing quickly.

让我们跳到第七十九页,在七十九页，同学加快动作。

耶鲁公开课 - 1945年后的美国小说课程节选

So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?

让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？

麻省理工公开课 - 化学原理课程节选

Let's do selection and let's do merge sort here on the right just to see what actually happens.

中间进行选择排序，右边进行归并排序,看看会发生什么。

哈佛公开课 - 计算机科学课程节选

Let's see, let's get a print guy here.

WHITEHOUSE: President Obama Holds News Conference

Okay, you know, let's see, this gentleman right here with the headdress.

WHITEHOUSE: President Obama Opens Tribal Nations Conference

Let's see, what else do I have here.

WHITEHOUSE: Press Briefing