综合英语3 unit1 useful expressionUseful expression : p 社会公认的 socially acknowledged p 在一种情况下 in one setting,in another p 肤浅的理解 have a thin understanding p 区分 distinguish between p 追逐个人利益 pursue ones own advantage p 喜欢做某事 take pleasure in (doing) sth. p 到程度 in so far as p 建立在基础上 be grounded on p 受感情支配 be regulated by ones feelings p 眼前的重要机会opportunity of the moment p 常言道 as the saying goes p 摆脱贪婪 be free from greed p 物质利益 material benefits p 相伴为乐 enjoy each oth