It says, if I want to print out something I built in Cartesian form up here, says, again, I'm going to pass it in a pointer to the instance, that self thing, and then I'm going to return a string that I combine together with an open self and close paren, a comma in the middle, and getting the x-value and the y-value and converting them into strings before I put the whole thing together.

这不仅仅是个列表,它是怎么来做的？,流程是：如果我想要返回,一些已经在笛卡尔模式下建好的值，好，再说一遍，我首先要传入一个,指向实例的指针,也就是，然后我会返回一个,由开括号，闭括号,中间的一个逗号,以及提前转换为字符串格式的。

麻省理工公开课 - 计算机科学及编程导论课程节选

In the other context, you know in a Window and a Windows machine, you close it with the X on the top right hand corner, where do you close it in the Mac?

还有一个就是，在Windows操作系统下,当你要关闭某个东西时，需要点击,右上角的“X“,那在Mac操作系统下呢？

哈佛公开课 - 计算机科学课程节选

I'm going to start with a guess, I'm going to call it g. And then I'm going to say, if g squared is close to x, stop.

我会从一个猜想开始，把它叫做g，然后我会说，如果g的平方接近于X，打住。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's going to hug the x axis until it gets a very, very close.

它将会紧挨x轴,直到很近很近。

麻省理工公开课 - 固态化学导论课程节选