But the things we were trying to stress were that it's an important design decision when you are coming up with a piece of code, as to what kind of efficiency your code has.

但是我们这里要强调的是,当你写代码的时候,决定你的代码的效率的很重要的事情，就是你的设计决定。

麻省理工公开课 - 计算机科学及编程导论课程节选

Whether they're more inefficient when things are going up or when things are going down.

是不是在事情进展顺利或受阻的时候,市场会更没有效率。

耶鲁公开课 - 金融市场课程节选