profit /ˈprɔfit/I. n. u & c]利润,收益,益处: gain profit from 得到益处;do sth. to one’s profit/with profit 做某事而得益;gross profits 总利润;net profits 纯利润,净利;a profit and loss account 损益账;sell sth. at a profit 出售某物而获利 ‖II. vt. & vi. 有益于,有利于;得益于:It will profit you nothing to do that. 做那件事对你没有任何好处。I hope to profit from/by your comments. 我希望从你的评语中得益。

 profitable /ˈprɔfitəbəl/ adj. 1.有利的,有赢利的:The deal was highly profitable. 这笔交易有利可图。[考句]Purchasing the new production line will be a profitable deal for the company.购买新的生产线对公司是一笔有益的交易。 2.有益的,有用的:The study of language is profitable for mental discipline. 学习语言对智力训练有益。