> Yeah, so when green flag clicked, and that's kind of the very explicit way of saying when you start this program by clicking in the green flag, here is what's gonna get executed first.

>，是的，“点击绿旗“,就是用这种直白的方式告诉你,你需要点击这个绿旗才能启动整个程序，这是程序生效的入口。

哈佛公开课 - 计算机科学课程节选

Let's make the red light the symbol of 'go.'" And now with the ecological movement it would be very difficult to make the green light the symbol of "stop," and in any case all sorts of complications would arise. Right?

我们来假设，红灯的意思是出发“,那么难道,绿灯的意思是停止吗？,这样会引起各种不必要的麻烦？

耶鲁公开课 - 文学理论导论课程节选