So how do you know Gao Yu?

那你又是怎样认识高雨的呢？

youdao

So how do you know which one is right?

因此，你怎么知道哪一个是正确的？

youdao

So how do you know which color to choose?

你知道怎样选择颜色吗？

youdao

So it's a short problem set, but make sure you know how to do those problems.

因此这是个小问题集,但是确保你懂怎么解决这些问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well let's see. My fall back is, I could just do linear search, walk down the list one at a time, just comparing those things. OK. So that's sort of my base. But what if I wanted, you know, how do I want to get to that sorted list? All right?

我只能做线性搜索了,一次遍历一遍列表，一个一个比较，但如果我想要,那怎样得到有序的列表呢？,现在的一个问题是，我们排序之前？

麻省理工公开课 - 计算机科学及编程导论课程节选

So you can actually say, how do I know which methods are associated with the class? For that, we can call dir. And what it does, is it gives me back a listing of all the things, dir all the methods, that are associated with it.

我们开始建立类了，我们得到了这些方法,因此实际上你可以说，我怎么知道，哪些方法是关联与这些类的？,为了解决这个问题，我们可以调用，这个方法的作用。

麻省理工公开课 - 计算机科学及编程导论课程节选

So how do you know if your best supplier or customer is about to hit the skids?

FORBES: Small Biz Bum Alert

So how do you know if open innovation will work for a particular company?

ECONOMIST: The love-in

So how do you know you wouldn't have gotten this information sooner had you brought in another interrogator?

WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton