So let's not put him only on the spot; there's a whole bunch of us in this room and we can actually apply this same idea not to these phone books but actually to other real world problems, there's a whole bunch of people in this room.

所以我们不要只让他一个人体验,教室里还有一大帮人,其实这种方法不仅可以用来查找电话簿,还可以应用到现实生活当中,教室里有这么多人。

哈佛公开课 - 计算机科学课程节选