doctor和physician的用法区别?

doctor和physician的用法区别? doctor advises和doctor's advise的区别? see a doctor 与see the doctor 的用法有什么区别 单词的区别和用法 go to the doctor和go to the doctor`s的区别 in the doctor's和at the doctor's的区别 learn和study的用法和区别! rise和raise的区别和用法 rise和raise的区别和用法? happily和happy的用法和区别? "start"和"begin"的区别~和用法``~ distinguish和distinction的用法和区别