A progress bar is not supposed to print one hundred lines just to update its status; generally we like to see a little animation.

一个进度条不应该是打印100行,只是更新它的状态，一般地，我们,想看到一点生机。

哈佛公开课 - 计算机科学课程节选

Great animation but not perhaps a good date movie, so it's gone. Everyone see that?

虽然这部动画很好但显然不适合约会看,把它剔除了,大家都看明白了吧

耶鲁公开课 - 博弈论课程节选

And odds are if a week hence, two weeks hence just for fun you decide to reimplement your Scratch project -- or some tiny piece of it, it wouldn't be surprising -- or shouldn't be -- if you end of implementing the same game or animation or whatever using a completely different set of puzzle pieces Same deal we'd see here.

可能一周之后，两周之后，为了好玩,你决定重新实现你的Scrtch工程,或者其中一小部分，它将不会是令人惊讶的-,本来也不应该是--如果你运行相同的游戏,或者是动画，亦或是用完全不同的设置,来运行拼图游戏,我们将看到相同的处理。

哈佛公开课 - 计算机科学课程节选