等于: have to
必须不得不只好
You'll have to travel in disguise.
你将不得不乔装出行。
You have to pay to make outside calls.
打外线电话必须付费。
We'll have to wait and see what happens.
我们只有等着看将会发生什么事情。
I used to have to wear braces.
我以前不得不戴牙箍。
Nurses have to wear a uniform.
护士必须穿制服。
I have to clock in by eight.
我必须八点前打卡上班。
