vi.投机，牟求暴利；n.[贸易]奸商；牟取暴利的人；

◆记忆方法一：
词根词缀记忆法：profiteer n 牟取暴利者（profit利润）,-eer表名词，”…人员”

profit/profitable/profitless/profiteer
记忆：
1. profit [ 5prCfit ] An advantageous gain or return; benefit pro-fit 向着有利的地方做， n. 利润, 益处, v. 得益 This new invention will bring you great profits like a goldmine.这项新发明会像一座金矿一样给你们带来利润。
2. profitable adj. 有利可图的 What businessmen consider is mostly whether the deal is profitable. 商人考虑的主要是交易是否有利可图。
3. profitless [ `prCfItlIs] adj. 无益的 Why should we spend so much time on the profitless matter?我们为什么要花如此多的时间在这无益的事情上？
4. profiteer [ 7prCfi5tiE ] One who makes excessive profits on goods in short supply n. 奸商 A profiteer can make a lot of money.奸商能赚很多钱。
另类阅读：
A profiteer runs only after profits. He may do anything profitable even when it’s illegal while he is reluctant to do anything profitless even when it’s his duty.