If you're writing a one line function, whose sole purpose in life is addition, and, clearly, this is about addition, well, then it's, in fact, A reasonable to use a shorter symbol like A, but I do have to specify it's type.

如果你在写一个一行的函数，它唯一的目的是,做加法，显然这是关于加法的，好的，实际上，用一个短的标识符是合理的，像，但是我必须指明它的类型。

哈佛公开课 - 计算机科学课程节选

We won't come back to it at least for the moment, but you see that it's mercifully short, and as time passes we will do some rather interesting tricks with it.

至少我们这节课用不上，看，这篇故事很短，过一段时间我们会针对它做一些很有趣的练习。

耶鲁公开课 - 文学理论导论课程节选

Milton had also written a couple of very short poems in English.

弥尔顿也用英语写过些短诗。

耶鲁公开课 - 弥尔顿课程节选

Let me end with a couple of other quick remarks.

让我用一些其它的短评论来做结尾。

耶鲁公开课 - 死亡课程节选