A：Are you sure you can't lend me five thousand dollars?
你确定无法借我5000元吗?
B：Hmm... I'll tell you what. I'll lend you four thousand dollars, but you have to pay me back next week.
嗯……我告诉你吧，我会借你4000元，但你必须下周还我。
A：It's a deal.
一言为定。