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

Even though it does cut the grass, it doesn't have the desire.

虽然事实上它割了草,但它并没有这个愿望

耶鲁公开课 - 死亡课程节选