有感于商品“买一赠一”●杨玉田不知从何时起，许多商家挂起“买一赠一”的招牌，以此达到促销商品的目的。这里“一”到底是什么？通常只有等到买下该商品后才能知道，所谓的“买一赠一”原来是如此“货色”。买“九牛”送“一毛”便是商家最常见的伎俩。买双旅游鞋，送... Feel the goods “buy one get one free” ● Yang Yutian I do not know since when many businesses hang “buy one get one free” signs, in order to achieve the purpose of promotional goods. What is “a” here? Usually only wait until after the purchase of the product to know that the so-called “buy one get one free” turned out to be such “goods color.” Buy “nine cattle” to send “a hair” is the most common business trick. Buy a pair of sneakers, send ...