求earn和gain的用法和区别.
问题描述：
求earn和gain的用法和区别.
答
earn指经过艰苦努力而得到报偿,意为“赚得,挣得,博得”.如：I earned 2,000 pounds for one month’s hard work.历经一个月的艰苦劳动,我赚了2000英镑.They have bought a new house． They must earn a lot of mone...