Just a few small points. First of all, keep in mind that the bug is probably not where you think it is. Because if a bug were there, you'd have already found it.

第一，记住错误可能不是，发生在你认为的地方,因为如果那儿有一个错误,你可能已经找到了它。

麻省理工公开课 - 计算机科学及编程导论课程节选

Where are some of your favourite places in London?

你在伦敦最喜欢的地方有哪些？

去泰特现代美术馆 - SpeakingMax英语口语达人

You try to design actually I'm going to come back to that in a second. It's like you're trying to use a hash function that spread things out pretty evenly. But the places you store into in those lists may have to themselves have a small list in there, and when you go to check something, you may have to do a linear search through the elements in that list.

你尝试着去设计,实际上过会儿我会回头讲解这个问题,类似于你需要用一个哈希函数,非常平均的将物体分发出去,但是在列表中你数据,映射到的地方可能会有自己的一小段列表，当你回头查找数据的时候,你可能需要在那一小段列表中做线性查找。

麻省理工公开课 - 计算机科学及编程导论课程节选