business/businessman/merchant/commercial/greengrocer/grocer/trade/busy/free/freedom/liberty/liberate/liberation
记忆：
1. busy adj. 忙碌的 I’m busy with my book while my wife is busy cooking. 我忙着引书，我妻子忙着做饭。 be busy with 忙于某事 be busy (in) doing 忙于做某事
2. 加名词后缀-ness, business n. 忙碌的事务，生意 Sorry. It’s none of my business.对不起，那不关我的事。 格言： Business is business.公事公办。 Everybody's business is nobody’s business. 三个和尚没水吃
3. businessman n. 商人 A real businessman makes money by law as well as by brain.既用脑也合法是一个真正的商人的赚钱之道。
4. merchant m-er-chant m, 买卖； -er, 人；chan 发音似“钱”merchant, 做买卖的人要赚钱， n. 商人，店主 Have you ever read The Merchant of Venice by William Shakespare?你看过莎士比亚的《威尼斯商人》吗？
5. commercial com-mer-cial adj. 商业的, 贸易的 The shops in commercial centers are much more expensive than others. 在商业中心的商店要比其它地方的商店贵得多。
6. grocer 音似“给肉食”，卖吃的， n. 食品商, 杂货店 You can buy some biscuits in that grocer.你可以到那家杂货店买些饼干。
7. green绿色的；greengrocer, n. 蔬菜水果商, 菜贩 The greengrocer there supplies cheaper apples. 那个水果商的苹果更便宜。
8. trade n. 贸易, 行业, vi.交易 English is a must in today’s international trade. 在当今的国际贸易中英语已是人们交流的必备语言。
9. free adj. 自由的, 免费的, 空闲的 vt. 释放 The film tickets are free. If you are free, you can go to see the film free of charge.电影票是免费的。如果你真空，你可以去看这场免费电影。 格言： The best things in life are free.生活中最美好的莫过于自由。
10. 加名词后缀-dom, freedom n. 自由 There is no absolute freedom in the world. 世上没有绝对的自由。
11. liberty li-ber-ty 音似“你不听”，你有自主权， n. 自由 The statue of liberty in New York was sent by the French. 纽约的自由女神像是法国人赠送的。
12. 加动词后缀-ate, liberate解放 Is it true that the United States is liberating Iraqis? 美国真的是在解放伊拉克吗？
13. liberation 解放 Comrade Mao Zedong contributed a lot to the liberation of Chinese people. 毛泽东同志为中国人民的解放事业作出了卓越的贡献。
14. liberal adj. 慷慨的, 不拘泥的, 宽大的 Our liberal teacher allows us to disagree with him. 我们的老师很开放，允许我们有与他不同的意见。
另类阅读：
Why do you think a merchant is called a businessman? He is so busy trading goods that he has no free time! Though it’s none of my business, I still want to show my pity for their lack of freedom. He’d better liberate himself from his business and enjoy more liberty.