profitable什么意思、怎么读？单词用法、记忆法、发音音标、反义词同义词辨析、释义

a. 有利润的, 有利益的, 赚钱的【经】 有利(可图)的, 合算的

◆记忆方法一：
词根词缀记忆法：profitable a 有利润的（profit+able）,fac,fact,fect,fic,fig=make,do,表示“做，制作”
◆记忆方法二：
profitable (考频：4)
a.①赢利的，有利可图的(≠beneficial)：The firm is a highly profitable business.该公司是一个赢利颇丰的企业。
②有益的(=beneficial)：We had a profitable talk.我们进行了一次有益的交谈。

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.