So the reasons for this really enormous shift in plans, and the enormous shift in subject matter, are worth exploring.

弥尔顿的计划变化为何如此之大，他对主题的选择为何有这么大的改变，是值得探究的。

耶鲁公开课 - 弥尔顿课程节选

If you buy stock in a high tech company, that sells things on the internet, you might expect it to fluctuate enormously.

如果你选择买在网上进行销售的，高新技术公司的股票，它可能会变化非常大。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then the first time so he came up a major third there and then quickly backed off with just a half step below it, which completely gave it a different feel.

于是开始的时候,乐曲中出现一个大三和弦,然后快速地降低了半个音,这种变化给人完全不同的感受

耶鲁公开课 - 聆听音乐课程节选

They live much longer lives and they live to die of something else and the leading causes of death currently haven't changed very much since 1997 when this data was published: they die of heart disease and cancer primarily.

人们活的更久了,不过会死于另一些疾病,如今导致死亡的主要原因,并没有太大的变化,自一九九七年有相关数据公开开始,其显示人们主要死于心脏病和癌症

耶鲁公开课 - 生物医学工程探索课程节选

All right. If the derivative is small, it's not changing, maybe want to take a larger step, but let's not worry about that all right?

好，如果导数很小的话，函数就基本没什么变化,可能我们就想把步子迈大一点儿了,但是别为这个担心？

麻省理工公开课 - 计算机科学及编程导论课程节选

One way to think about this intuitively if the derivative is very large the function is changing quickly, and therefore we want to take small steps.

关于这个方法很直观的一点想法是,如果导数非常大,函数也就变化的非常快，因此我们想一小步一小步的来。

麻省理工公开课 - 计算机科学及编程导论课程节选