I already said, back here, when I used this board, that this idea was really important.

我们设置下场景，我已经说了，回到这里，当我用这块黑板的时候。

麻省理工公开课 - 计算机科学及编程导论课程节选

All right. What does this have to do with my divisor example? This says I can make tuples, but imagine now going back to my divisor example and I want to gather up the elements as I go along. I ought to be able to do that by in fact just adding the pieces in.

这意味着我可以创建元组了,但是想像下回到我们的除数的例子,在处理过程中我们想把目标数的除数,收集起来，我应该能够通过把这些数,一个一个加进来来实现这个目的,我正是要去这么做，也就是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well I have to go to the zero-th element, and say OK, gee, to get to the next element, I've got to jump this here. And to get to the next element, I've got to jump to here, and to get to the next element, I've got to jump to here, until I get there.

再回到第0个元素，好的，然后找下一个元素，跳转到这里，然后再下一个元素，跳到了这里,然后再下一个元素,直到我找到那个元素,这样，我有方法来保存变长的元素。

麻省理工公开课 - 计算机科学及编程导论课程节选

OK, and if I wanted to look at it, we can come back over here, and we can see what does c p 1 look like, interesting.

现在对于这里的每个实例，我都赋了x和y值，好，那么如果我想要研究下它,我们可以回到这里来。

麻省理工公开课 - 计算机科学及编程导论课程节选