gain sth和gain in sth有什么区别

gain在朗文字典里的解释是to obtain or achieve something you want or need
gain in的话是to gradually get more and more of a quality,feeling etc,especially a useful or valuable one
所以就是后者有逐渐获得的意思,通常用在获得品质,感觉,或者有价值的东西上.前者用于获得你想要得到的东西.用英文解释区别比较明显.