He must have felt hopeless when the doctor said his right leg would have to be cut off 6 inches above the knee.

当医生说他的右腿必须从膝盖以上6英寸处切除时，他一定感到绝望了。

youdao

He must be a doctor, for he is wearing the white coat.

他一定是医生，因为他穿着白大褂呢。

youdao

He can't be a doctor. He must be a dentist.

他不会是个医生。他一定是位牙医。

youdao

Certainly, if a doctor has to practice medicine knowing he must be able to sway a jury in the event something goes awry, he ultimately will end up ordering any and all diagnostics he can despite knowing through years of experience one is really only necessary.

FORBES: Obamacare Fee Will Cost You