But a point I'm trying to make is, it sounds like anymore computers have gotten so blazingly fast, why should you worry about it?

但是这里我要讲的一点是，在任何一台计算机,都能这么快的运算的情况下，我们还管效率这个问题干嘛呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

They have to learn to interpret sounds in context and sometimes they make mistakes.

他们必须学会通过上下文来判断声音,有时他们会出现错误的情况

耶鲁公开课 - 心理学导论课程节选