这里有一些特别的博物馆，你一定要去看看。

Here are some special museums that you must see.

youdao

你不是一定要在你找他的时候才能碰到他，而是有可能冷不丁地突然就碰上了。

You must not only take him AS you find him, but WHEN you find him.

youdao

如果你有机会，一定要去奥克兰博物馆，因为那里有最后一个幸存的“鸟人”风筝展览。

If you have a chance, do visit the Auckland Museum because they have the last surviving "birdman" kite on display.

youdao

But remember that you do have recitation on Tuesday, so that could be very helpful with the problem-set, so be sure to go to recitation on Tuesday, and have a great long weekend.

记住，周二有习题课，这对做课后题很有帮助，所以周二一定要来上习题课，周末愉快！

麻省理工公开课 - 化学原理课程节选

It is a little bit difficult in the sense that to have gotten into Princeton, one almost certainly has had to know something about something. Right?

之所以比较困难是因为,一个人如果想要进入普林斯顿大学，他一定,对某个领域有一定了解？

普林斯顿公开课 - 人性课程节选

We assume that unless we're dealing with Scheherazade, it has to have an end, but at the same time we might well ask ourselves, why does it have a middle? What is the function of the middle with respect to a beginning and an end?

而且我们认定一定会有结尾，除非讲故事的是那个，《天方夜谭》中的苏丹新娘，但是我们要问自己了，为什么故事一定要有经过呢？,故事的经过对于开头结尾来说起到什么作用呢？

耶鲁公开课 - 文学理论导论课程节选