From a psychological point then, animals have evolved to be nice to their kin, particularly their children, and particularly in birds and mammals.

从心理学角度看，动物进化趋向于对自己的亲人有益，特别是自己的孩子，以鸟类和哺乳类为代表。

耶鲁公开课 - 心理学导论课程节选

It would be nice if it was less than linear, but linear is nice because then I'm going to get that n log in kind of behavior.

那么就是一个不错的算法，但是线性方案也是很好的,因为我需要做n次的log级的行为。

麻省理工公开课 - 计算机科学及编程导论课程节选