earnvt.赚得;赢得;获得
earn a profit获得利润
earn her keepvi.挣生活费(值得雇用)
earn lawfully合法收入
earning ratio[经] 企业利润率
earn my breadvi.糊口(谋生)
earn interest获利息
earning powern.赚钱能力
earn a degree获得学位
earning cycle收益周期
earn a dollar挣一元