There are a lot of ways in which a red light means neither "stop" nor "go," but we are sort of confining ourselves so far to the ways in which a red light has something to do with locomotion or the lack thereof.

很多时候红灯既不表示停,也不表示走“,但是我们却惯性的认为,红灯就是提示开始或者停止移动。

耶鲁公开课 - 文学理论导论课程节选

It ought to mean "to go forward" with everything behind it, but needless to say her thoughts on the subject were never implemented because if one day red light means "stop" and the next day red light means "go," there might be a few problems.

它因该表示勇往直前，当然她的想法没有实现,因为如果红灯今天表示停,明天表示走，会天下大乱的。

耶鲁公开课 - 文学理论导论课程节选

If you want to call something as A + B, it means that I did A and then I did B.

如果你想某个量称为 A + B,它表示我先沿着 A 走,然后是 B

耶鲁公开课 - 基础物理课程节选