Now, this is a pretty familiar widget of little gadget that you might see on most websites today, but my God, what an uninteresting problem to solve ourselves.

这是一个大家都很熟悉的小工具,现在在大多数的网站上都可以看到，天哪，如果我们自己解决这样的问题那将是多么无趣！

哈佛公开课 - 计算机科学课程节选

And that's exactly what we did with a widget like that.

那就是我们用那样的工具的目的。

哈佛公开课 - 计算机科学课程节选