1. touch on 涉及、提到
例句：There are books that touch on this topic that don't have numbers in them, but, you know, this is Smil, you are gonna get the numbers.
有几本提到这个议题且没有数据在其中的书，但，你知道的，这是 Smil，你一定看得到数据。

2. all of a sudden 突然地、出乎意料地

例句：And, you know, all of a sudden there was a glass sitting there...

然后，你知道，突然就有一个杯子放在那里...

3. figure out 想出，解决，计算出

例句：Those are the kind of questions that somebody with a good mind who's trying to figure out if they really understand—that's a kind of question you should ask yourself.
那些是某个有聪明脑袋、试着要探究他们是否真正了解的人会问的问题－－那是你们应该问问自己的问题类型。

4. make sense 有意义，理解

例句：We can observe way more stuff than you'd imagine, and we've made more sense out of the stuff we can observe than you can imagine.
我们可以观察的事物比你想像的多更多，而我们也已经从所能观察的事物中寻出比你想像中还多的智慧。