So, like anything else, it's a skill that gets better with practice.

所以，正如其他的，这个技巧在练习中会进步。

耶鲁公开课 - 死亡课程节选

It depends on n and k but obviously as n gets big, that one is going to be better.

但是很明显，当n取很大的值的时候,前者要比后者好。

麻省理工公开课 - 计算机科学及编程导论课程节选

I mean, you know the wings go, and the air runs, and then the motor on the engine and it's a miracle how it gets up there and that is the way I used to explain the Greeks, because I had no better idea.

我的意思是,你知道机翼的作用,空气的流动,还有引擎上的发动机,飞机能飞起来,是个奇迹,我就是用这种方式来解释希腊历史的,因为我也没有更好的方法了

耶鲁公开课 - 古希腊历史简介课程节选