必须英语怎么说
Parents are obliged by law to send their children to school.
You are obliged to assign to me your firm by the contract.
The prison governor has refused to let him go, saying he must first be given authority from his own superiors.
Mason says that he will have to talk to his superiors.
Your performance has to be sub-par.
The food supplies necessary to sustain the large vent communities, however, must be many times the ordinary fallout.
Some "Oblivion" fans grumble that to own a complete version of the game, it is now necessary to buy all the add-ons, too.
The materials used have to be able to withstand high temperatures.
You need to be able to work as part of a team.
Anyone actually venturing into the sea will have to contend with sharks, stinging jellyfish and surfboarders.
This is the development in education that we have to contend with.
Africa would also have to contend with huge economic losses.
Every animal has its peculiarities that you have to contend with.
Until you find somebody as open and brave as you, you're just going to have to get used to going it alone.
You're going to have to find somebody at the Pentagon to get it.
So you make your own luck, as they say, and then you have to have enough control of your camera not to miss that split-second chance by blowing out the sky or blurring the birds.
Finally, law enforcement must crack down on collusion.
You must wear goggles and a mask that will protect you against the fumes.
Performers would feel they have to struggle to fill the room with sound.
In 2010, the organizers of the Academy Awards announced that winners' acceptance speeches must not run past 45 seconds.
And sometimes we have to go through the foyer of doubt to enter into the sanctuary of certainty.
We must continually renew this promise.
You must see your doctor for a thorough examination.