You begin to realize that all of these big seemingly complicated pieces of software in websites that you use, if you just hone in on little pieces of them at a time and you realize oh I can do that and oh I can do that.

你开始意识到,你所登陆的网站上这些大而复杂的软件,如果你只对其中的一小块代码进行研究,你就会发现,哦，我也可以来做这个。

哈佛公开课 - 计算机科学课程节选

Well, how do you get this hearts to move up and down and seemingly in these random patterns?

但是，你怎样才能让这些爱心们看起来,像是在某种随机的模式下上上下下地移动呢？

哈佛公开课 - 计算机科学课程节选