Right, 'cause that means either I've been handed zero elements which mean there's really no work to be done or I've been handed one element which is a vacuous truth that it's sorted, right?

因为如果给出0个元素,那意味着不需要做任何事,如果给出1个元素，那显然,它是有序的，对吗？

哈佛公开课 - 计算机科学课程节选

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