It's one element like I claimed before it's sorted and so there's no work to be done.

当有1个元素时，在比较前就知道它是有序的,那就没必要再进行比较了。

哈佛公开课 - 计算机科学课程节选

Now, I'd like to stress information technology because we are living in a time of rapid advance, as you know--I don't have to tell you this.

我想强调一下信息技术,因为我们身处一个飞速发展的时代，这你们都知道，我没必要再说一遍。

耶鲁公开课 - 金融市场课程节选