And so I'm going to go back to this idea of a class, and let's build the first of these, and that is shown right here on this piece of your handout.

你把半径加到一起,你不会把角度加到一起，你需要再笛卡尔坐标下，进行这个操作,那么我这里在讲的就是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Whenever I think about how to build an interesting program, and I hope whenever you think about it, the first thing I think about is, what are the classes I might want to have, what are the types?

无论我何时,去想怎样建立一个有趣的程序，你们每次做这种思考的时候，你们想得第一件事，就是我应该要有什么类呢，它们是什么类型的呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Not nearly with the priority we should be If we were, we would be first of all thinking about how to build a north Atlantic..

我们从来没重视过这点,如果重视这点，我们很可能首先考虑的就是,怎样建立一个北大西洋。

普林斯顿公开课 - 国际座谈会课程节选

So in many ways the premises, coupled with what we discussed in the first two lectures, build the foundation of that spiral, upon which everything else will be built.

从许多方面来看，这个前提，跟我们开头的两节课有关，会建立这个螺旋的基础，那其他一切就更容易建起来。

哈佛公开课 - 幸福课课程节选

First of all, you build some confidence.

第一，建立信心。

麻省理工公开课 - 固态化学导论课程节选

To be systematic, I'm going to build this tree depth-first left-first.

为了保持系统性，我将要把这棵树设置,为深度优先和左边优先。

麻省理工公开课 - 计算机科学及编程导论课程节选