(一).We've been over this.已经做过了。/不是已经说过了嘛。

原音重现：

A: I need you to give me more money every month.

我想要你每个月都多给我一些钱。

B. We've been over this. I don't have any extramoney to give.

是说过了嘛，我没有多余的钱给你。

(二).Please get it done by tomorrow.明天之前做完

原音重现： A: When is this report going to be due?

这份报告什么时候交?

B: Please get it done by tomorrow.

截至明天。