今天要学的一个词组是risky business。 Risky business危险的生意，或冒险的事。好莱坞制片公司Viacom和美国电影巨星Tom Cruise分手。报纸的标题说：Cruise Is Risky Business，意思是和Tom Cruise继续合作是危险的。Risky Business也是Tom Cruise 1983年拍的一部电影的名字。

Risky business在生活中到处都是。买股票是危险的投资 - Investing in stocks is a risky business. 借钱给你不信任的人是冒险的 - Loaning money to someone you don't trust is a risky business. 一个中学生说不得到他爸爸的同意就开他的车出去玩是危险的 - Driving my father's car without his consent is a risky business. 两个人在吵架，你想调解? Risky business!今天学的词组是risky business...