Here you've got a red light which doesn't seem to enter into this sense of the arbitrary and differential.

这里，红灯看起来并没有,任意性和差异性。

耶鲁公开课 - 文学理论导论课程节选

In Ruxton's Life in the Far West there's an Indian who gets red all over blushing because he got so many scalps and he runs like hell into the plains to glory over his deeds in hiding.

在《卢克斯顿的生活》里在美国中西部有一个印第安人,他因为得了太多头皮而全身涨得通红,拼命跑到草原里来藏起他的荣誉。

耶鲁公开课 - 1945年后的美国小说课程节选

In other words, they probably bear a distant relation to the semiotics of the stoplight, and that's probably why red was chosen for ambulances and police cars: because they put into your head the notion of "stop."

这很可能是源自于,红灯在一些语义中表示停止的意思，它被应用在了救护车和警车上：,因为他们带有警告的意味“

耶鲁公开课 - 文学理论导论课程节选