If you zoom in up top, which I can't quite do with a keynote here, it says, "This last minute shopping, bargain hunting."

如果你想追根究底，我也不能,在这里做一个主题演讲，它说，“这是最后一分钟购物，特价商品大甩卖“

哈佛公开课 - 计算机科学课程节选

So now in this problem, we can do something slightly different, and let's use this expression here,and I will do that, then I'll stop for today.

对于这个问题,我们可以稍微做点变化,让我们用这个式子,就是这样,今天就讲到到这里

耶鲁公开课 - 基础物理课程节选