Let's go into the third version of this and then start doing something with these constructs.

让我们进入这个程序的第三版,开始用这些概念来写点东西。

哈佛公开课 - 计算机科学课程节选

And then I could do things like again, say, okay having done, that let me just run it here, run that, so I've now got polar point 1, and polar point 2.

然后给它们赋值半径和角度，然后我可以进行刚才的操作，也就是说，对刚才的笛卡尔坐标进行的操作，让我们来运行下它吧，运行下，现在我有一个极坐标点。

麻省理工公开课 - 计算机科学及编程导论课程节选

So let's actually do something a little more interesting.

让我们来做点更有趣点的。

哈佛公开课 - 计算机科学课程节选

All right, so let's actually write something a little more interesting than "hello world."

好的，让我们来写点比“hello，world“,更有意思点的程序吧“

哈佛公开课 - 计算机科学课程节选