Because if b was odd, then b minus one is even which means on the next step, I can cut the problem in half again.

这意味着我在下一步里解决的问题,规模要小了一半，好，课堂材料的第三题。

麻省理工公开课 - 计算机科学及编程导论课程节选

And then in the even case I've got to do a square and the divide.

如果是偶数情况的话,我还要再做一次除法和求平方。

麻省理工公开课 - 计算机科学及编程导论课程节选

The point is made. Then I will not even provide any further commentary. I only apologize that for some reason I couldn't get the picture.

都清楚了，那我就不再多解释了,不过很抱歉,因为某些原因我忘记把照片带给大家看。

耶鲁公开课 - 政治哲学导论课程节选

He says that and then he shows an even more detailed picture, but what I want to show you on this slide is just the simple part of it.

他虽这么说却居然,拿出了一张甚至更复杂的图片,但我只想告诉你们,这张幻灯片上很简单的一部分

耶鲁公开课 - 生物医学工程探索课程节选