You can't just take a quoted string back to back with another quoted string so you'd get some kind of compiler error.

你不能让一个引起来的字符串跟另一个引起来的字符串,背靠背,这样编译就会出错。

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