So you're implementing this black box, and if its purpose in life is to actually return a value, you have to tell the compiler what kind of value to expect, and this is going to have ripple effects.

你在实现这个黑盒子，如果它的目的是,返回一个值，你必须告诉编译器你期望的是什么类型的值，这个将是一个连锁反应。

哈佛公开课 - 计算机科学课程节选

Well you know what a point is, it's got an x- and a y- coordinate, it's natural to think about those two things as belonging as a single entity.

把这两个坐标认为，是属于一个独立的实体，是理所当然的事情,因此实现这个目的的。

麻省理工公开课 - 计算机科学及编程导论课程节选

And secondly, if I'm successful in my teaching I will accomplish this second aim here.

第二,如果我的教学目的达到了,我就会实现第二个目标

耶鲁公开课 - 聆听音乐课程节选

OK. Once we've got that, we can certainly, though, do things like this.

好，一旦我们写好了，我们当然就可以实现这样的目的了。

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