marginThey have always had to make do with relatively small profit margins.他们不得不经常设法应付较少的利润额。profit[5prCfit]n.好处, 益处, 利益[常用复]利润, 赢利利润率红利do sth. to one's profit [with profit]做某事而得益于gross [net] profits毛[纯]利paper profits纸上的利润, 实际不存在的利润reap profits at the expense of others损人利已small profits and quick returns薄利多销sell sth. at a profit出售某物而获利What profit is there in worrying?忧虑有什么益处?