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

Now, the marriage case is extreme but Freud gives a lot of simpler examples where this sort of unconscious motivation might play a role.

婚姻是一个极端的例子,但弗洛伊德还举了很多简单点的例子,来阐释无意识动机是如何发挥作用的。

耶鲁公开课 - 心理学导论课程节选

And so these are situations where we would very much like to produce a vaccine, but we can't yet, and the question is 'Why? '.

我们十分想生产疫苗来解决这些问题,但我们还不行,你们会问,为什么会这样

耶鲁公开课 - 生物医学工程探索课程节选