And so, Columbia helps us pay our housing so, because it is very expensive to live up here.

而哥伦比亚大学帮助我们付了房租，因为在这儿住实在太贵了。

上西区的人们 - SpeakingMax英语口语达人

But when you look at the bill, it is very expensive and you can't afford to pay that.

但当你看见账单时，你才发现这太贵了，你负担不起。

I can 课堂 - SpeakingMax英语口语达人