It has many differences from a fish.这里为什么用from?

It has many differences from a fish.这里为什么用from? A shark is a fish,but it has many ---------from a fish.怎么填? 单词拼写：A shark has many d--- from a fish. wangjinquan ,a teacher from Qichun,has supported many poor s _Wang Jinquan,a teacher from Qichun,has supported many poor Wang ,a teacher from QICHUN ,has supported many poor student it has a picture from our hotel on it改错 I come from a beautiful village.There are many fish in the r A SHARK HAVE MANY DIFFERENT FROM AFISH ,DOESN/T IT? it does from .为什么这里加does 如 I'm from . A robot-arm from the 'Endeavour'为什么这里要用from而不用of?有什么区别啊?robo she often learns it from him 为什么用from,