So, that is just a quick example for some of you, you might be very familiar with ion channels, others might not know what these are, so I'll just tell you quite briefly that ion channels are these very massive transmembrane proteins.

这对你们中的某些人来说仅仅是个小例子，有些人可能已经非常熟悉离子通道这个概念了，但有些人可能还不清楚，那么就让我来简单地介绍一下离子通道,就是这些巨大的跨膜蛋白。

麻省理工公开课 - 化学原理课程节选

so if somebody wants to spend the money to improve their appearance then so be it .

所以，如果有人要花钱改善自己的形象，那就让他们那么做吧。

整容是个人自由 - SpeakingMax英语口语达人

So let's take the example of neon.

那么就让我们以氖原子为例。

麻省理工公开课 - 化学原理课程节选

And say let's just print them both.

那么就让我们把这两个值都显示出来。

麻省理工公开课 - 计算机科学及编程导论课程节选

Okay, now let's paralleling what you've been reading let's look a little bit at the Dutch Republic at the Dutch Republic England and Britain all the time, because people talk about so let me talk about the Dutch Republic.

很好,结合你们的阅读资料,让我们看一下荷兰共和国,在荷兰共和国,因为人们老是在讨论英格兰和大不列颠,那么,就让我来谈谈荷兰共和国

耶鲁公开课 - 欧洲文明课程节选

What we're really getting at is the idea of saying I want to have a way of grouping together information into units that make sense. So I can go back to one of those topics we had at the beginning, which is the idea of abstraction, that I can create one of those units as a simple entity, bury away the details and write really modular code.

组合成为有意义的单元,那么这就让我们回到,一开始讲的话题之一了,这就是抽象的概念,也就是我可以以一个简单的，实体的形式创建这样的一个单元，把具体实现隐藏然后写一些,真正模块化的代码,我们在以后的课程中。

麻省理工公开课 - 计算机科学及编程导论课程节选