It's much more interesting if you can actually build things that are interactive, that are animated, that play music and so forth and not just produce things on day 1 that outputs zeroes and ones like this.

如果你构建的东西是互动的,像动画，音乐播放等等，而不是编些像第一天那样,只是输出0和1的程序。

哈佛公开课 - 计算机科学课程节选

It eventually outputs a ticket with the right amount, but my God, how many steps does it take for us to get there?

最终它适当地输出了一张票，但是我的天，我们需要多少步骤才能得到？

哈佛公开课 - 计算机科学课程节选