All right, this is actually a very old piece of imperative knowledge for computing square roots, it's attributed to Heron of Alexandria, although I believe that the Babylonians are suspected of knowing it beforehand.

好，这是一个很古老的,关于计算平方根的程序性知识，是亚历山大的海伦提出的，不过我怀疑在那之前,巴比伦人就已经猜想过了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now granted we're now starting to take this all shuttle theme to an extreme perhaps, but we realized you know what, it's actually not that efficient sometimes to call a phone number, it's not that efficient to pull up the mobile web.

我们现在都已经习以为常了,我们都认为极为平常了，把这些关于班车的程序做的很好了,但我们有些时候拨打一个电话，或上一下移动网络。

哈佛公开课 - 计算机科学课程节选