that is why的用法:why的意思是“为什么”,可用作疑问副词,也用作关系副词,还用作连接副词,可以引导名词从句。
that is because的用法:because的基本意思是“因为”,强调直接造成某种结果的理由和原因,所引导的原因状语从句多置于主句之后,有时为了强调,也可置于主句之前,并用逗号与句子的其他部分隔开。
That's because you can't give up what you are.
那是因为你不能放弃自己。
That's because this free ride is just fine with the city.
那是因为在这个城市,免费骑行是可行的。
In part that's because industry is smack in the middle of the city.
部分原因在于:工业恰好在城市的中心。
That's why it is imperative to know what your rights are at such a time
这就是为什么你有必要在这个时候知道你的权利有哪些。
That's why I left so early.
这就是我早早离去的原因。
That's why I must trust you to keep this secret
那就是为什么我必须得相信你会保守这个秘密的原因。