"What do you mean 'cool'?" Megan snapped. "we're stuck in a broom closet leading no where and we have no idea where we are!"

“你说‘酷！’”梅金真火了，“我们被锁在储藏室里了，压根就不知道我们在哪！”

youdao

When we are working , u give a cool expression_r_r to a new one, what do u want to express?

当你送给陌生人一个严肃的表情带给你威望还是冷酷和淡漠？

youdao

All right, this is what's called a recurrence relation, there are actually cool ways to solve them. We can kind of eyeball it.

好，这就是所谓的递归关系,也就是解决问题的相当好的办法,我们可以来看看。

麻省理工公开课 - 计算机科学及编程导论课程节选