And the problem is, that we want to build this abstract data type, but we'd like to basically know what kind of object is it, and what functions actually belong to it, how do we use them?

然后我对它们运行了这个方法，就是这一小段代码这个方法,这有意义么？,当然没有了，对不对？,因为你知道，当你把两个极坐标，表示的点进行相加运算的时候？

麻省理工公开课 - 计算机科学及编程导论课程节选

And then a lot of theory like, what is dress and how do people use it to evoke emotions and stuff, so.

有很多的理念，比如什么是连衣裙，人们怎样用它来表达情感，诸如此类。

梦想成为时装设计师 - SpeakingMax英语口语达人

I want to just use it, I shouldn't have to worry about what variables I use inside of it, I have shouldn't have to worry about where that is in the code, I should be able to just abstract it away. And that's what we want to add today, are those two things.

我只是想使用它,我不用考虑我在这段代码中,使用的是什么变量,我完全不用考虑代码的内容,只要抽象就好,我们今天想补充的内容就是这两点。

麻省理工公开课 - 计算机科学及编程导论课程节选

It doesn't tell you this is my hometown and this is Japan and so forth. It gives you a lot of visual cues that you use in my personal journey to see what Japan is like on a personal level.

就在于车上没有人说话，它不直接告诉你这是,我的家乡，这是日本等等，它给你许多,视觉提示，你会通过这些提示,从个人的角度看日本。

麻省理工公开课 - 媒体、教育、市场课程节选

So Empson says, Well, atmosphere, ; certainly that exists and we can talk about it in all sorts of ways; but after all, what is the use of atmosphere?

所以，Empson就说，气氛这种东西嘛，当然是存在的，我们可以用千千万万种方法来探讨它;,但是，所谓“气氛“有何作用呢？

耶鲁公开课 - 文学理论导论课程节选

What is the use of any aspect of literature if, as good scientists, we can't analyze it or can't somehow or another account for it?

文学又有什么意义呢？,如果作为科学家的我们，既不能分析也不能解释它？

耶鲁公开课 - 文学理论导论课程节选

Another way of saying it is, I've actually said, what did I use there, and , It's basically saying there is the first point, there's the second point, add them together and I get that point.

我要去做的是-对不起，再运行一次-好，你可以看到我已经把，这两个点的坐标值加到一块儿了，然后返回了r的值,我会让大家看到我们，实际上得到的是什么，这看起来不错，好,我做了正确的操作。

麻省理工公开课 - 计算机科学及编程导论课程节选