gain profit 和 earn profit哪个用法对 为什么

gain profit 和 earn profit哪个用法对 为什么 gain和earn区别 earn 和 gain 的区别? earn 和gain的区别 earn gain 和win 的区别 gain和earn的意义区别! 求earn和gain的用法和区别. 意义相近的词辨析：gain和earn 区别win get gain earn If you travel by air,you will (earn) (gain) time.选什么?为什么?EARN和GAIN在什么时候可以互用，什么时候又不可以呢？ 请问increase和grow ；gain 和earn；pick和cut的区别 损益和盈亏有什么区别?gain and loss和profit and 求 应该是 gain fortune还是earn fortune earn,win,beat,gain,befeat的区别 earn money 与collect money 与gain money的区别 earn earn 英文中return/revenue/income/erning/profit/gain各自的含义及相互区别?