你必须得看看...
have got to
conj.不得不(必须)
例句：
Jim broke away from his friends,saying"I have got to hit the books."
吉姆离开他的朋友时,说道：“我得回去做功课了.”
I have got to phone one.
我要给人打电话.
I have got to make some copies to hand out .
我需要复印一些文件以便分发.
But we have got to ask first.
但我们首先要征得同意.