And so, in the real world frankly, these kinds of questions, how much time is this gonna take is certainly germane.

但在现实世界中，不同种类的问题，所花费的时间是不同的。

哈佛公开课 - 计算机科学课程节选

The question of where is the ball really is a question about the physical world.

球在哪里的问题,实际是一个现实世界的问题

耶鲁公开课 - 心理学导论课程节选