If a person has the basic concept down, regardless of numerical errors, if the person has the basic concept down, he or she must get at least five out of ten.

如果一个人有一些基本的概念，不管一些数字上的错误，如果他有基本的概念，至少都能够得到一半的分。

麻省理工公开课 - 固态化学导论课程节选

Right? Most of them aren't,or about half of them, I think,are not in the Bible,and yet they're very important for the history of Western Civilization.

但是大多数其实并不是，至少一半不是，但是对西方文明历史,却有着极其重要的意义。

耶鲁公开课 - 新约课程节选

Alright, I have the problem so clearly this algorithm whatever it's gonna be is gonna be at least twice as fast because I'm doing half as much work.

现在，这个问题已变得清晰,不管怎么样，排序算法的效率,至少是之前的两倍,因为我只需要做一半的工作。

哈佛公开课 - 计算机科学课程节选