It's a brilliant program for the cost of the school. It's so cheap.

它是个非常棒的项目，对学校的花费有益。它很便宜。

And everything was so cheap.

而且东西是那么便宜。

She goes, "Ed, why are you so cheap?"

他说“艾德，你怎么那么贱？”

It is not hard to do when money is so cheap.

在货币还是很便宜的时候，这不难做到。

I was very lucky to get a copy so cheap.

我这么便宜地买到一本书，真是幸运极了。