So this is a place where the amortized cost actually helps me out. And as the gentleman at the back said, the question he asked is right, it depends on what I'm trying to do.

开始起了作用,我们要分析的话,我要想一想我在做什么，我抓住了每一点么？

麻省理工公开课 - 计算机科学及编程导论课程节选

he's more than happy to help. And that helps me a lot in my studies,

他会非常乐意帮你解答。所以，他对我的学业帮助很大，

有印象的教授 - SpeakingMax英语口语达人