[, ] () a selling method where advertisements for products with low prices are used to attract customers, who are then persuaded to buy something more expensive in the range 上鈎调包销售法；诱饵销售法（一种销售方式，以广告宣传产品价格低廉，吸引顾客後再兜售同类高价商品）◆Salespeople can pressure you with bait-and-switch tactics unless you know what to look out for. 除非你小心提防，否则推销人员会用上鈎调包的策略引诱你。ⓘ This term is often used in a disapproving way, as the method can be illegal. 因为这种方法可能违法，所以使用这一术语时往往带有贬义。