But you're not responsible for knowing specifically that it's 11 . 5 times greater.

但你们不需要记住它,具体是１１．５倍这么大。

麻省理工公开课 - 化学原理课程节选

Knowing what iambic pentameter is, is not a gift of birth, but rather something that comes through a little bit of practice, which means we have to work at it a little bit.

没有谁是生来就知道抑扬五音步格诗，是需要努力才能知道的，这说明我们必须在这个上面花点功夫。

耶鲁公开课 - 现代诗歌课程节选

It's still calling cmp, but it's knowing that cmp is just reversing the order of the arguments.

下一次我会带上正确的眼镜的，这还是会去调用cmp方法的,但是我们知道。

麻省理工公开课 - 计算机科学及编程导论课程节选