s1 It's a little square, it's going to be called s1 and that's what exists as of line two of this program, GetSting but now I've called get string.

这是一个正方形，叫做1,这就是程序中第二行代码所表示的，现在我调用。

哈佛公开课 - 计算机科学课程节选

I want the function, which is a little tool, a line of code I can include in my own programs and generally those tools live in sections two or three of the manual.

我想要一个函数，那是一个小工具，在我程序中可以包含的一行代码,通常这些工具在手册的第二节,或第三节。

哈佛公开课 - 计算机科学课程节选

And the second thing that we talked about is this idea that we want you to in fact learn how to relate a choice you make about a piece of code to what the efficiency is going to be.

关于这个方法第二件事,就是我们实际上希望,你在写代码的时候,能做出优化效率的选择,因为此。

麻省理工公开课 - 计算机科学及编程导论课程节选