Well first, a cartoon that you might now actually get those otherwise unfamiliar.

来看看一段儿说明上面内容的漫画,否则你们就还是不太熟悉。

哈佛公开课 - 计算机科学课程节选

He said, take a spring to outer space and we'll hook up some objects to them and see how fast they move and do a comparison.

他说,把一个弹簧带到外太空,往上面挂物体,看看它们运动的快慢,并进行对比

耶鲁公开课 - 基础物理课程节选

OK? And in fact, if you look at the code up here, and it's on your handout, the very first one, x 1, right here- if I could ask you to look at it-- is a piece of code to do it. And I'm less interested in the code than how we're going to analyze it, but let's look at it for a second.

实际上，如果你看看,你们课堂发的材料上面的代码，第一页上的，就是那-,大家请看看实现的这一部分代码,我不太关心,我们会怎么解释这个代码,首先让我们先看看。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you go back to the Declaration of Independence, it doesn't say: "We Americans believe these truths to be self-evident. " It says: "We believe these truths to be self-evident that all men are created equal, and all men are entitled to life liberty and the pursuit of happyness."

如果你回头再看看独立宣言，上面并没有说：,美国人相信,这些都是不言而喻的真理“,上面所说的是，我们相信这些真理不言而喻，从而,人人平等，所有人都拥有,人身自由，都有追求幸福的权利“

普林斯顿公开课 - 国际座谈会课程节选

And, again, the rectangle represents your computer's RAM, the bottom represents the part of RAM that we generally call the stack, main conceptually ends up on the bottom of the stack followed foo by its local variables then the function say foo that it calls and on and on and on and up, but there is, in fact, something above all of this and we've seen this picture briefly and that's this thing called the heap.

再次，矩形表示的是计算机内存，底端表示内存的一部分,通常我们把它叫做堆栈，main函数在,堆栈的底端，之后是,它的局部变量，然后是它调用的函数,等等等等，但是那里有，实际上，在这个上面，我们粗略看看这个图画,这个东西叫做堆。

哈佛公开课 - 计算机科学课程节选