Here' s the deal.
"here' s the deal ""總的說來是這樣的"
eg: The deal is if you don' t have ID, you can' t drink in a bar in American. 在美國你如果沒有身份證就不能在酒吧喝酒.
The deal was simple: we have to wait until the three hours were up before handing in our exams and leaving. 事情很簡單,我們得在這兒等上三個小時才能交卷離開.