上海的连锁超市自90年代开始导入后，经过短短几年的发展，迅速步入了成长期。据资料统计，连锁超币的平均毛利呈逐年递减趋势。究其原因，除了超市门店绝对数量的增加、销售分流外，与千店一面和经营的商品雷同有关。为争夺有限的市场份额，众企业不惜成本，纷纷以降低毛利为 Since the introduction of the supermarket chain in Shanghai in the 1990s, Shanghai’s rapid development has taken a few years to come. According to statistics, the average chain super-chain gross profit declined year by year. The reason, in addition to an increase in the absolute number of supermarket stores, sales diversion, and thousands of stores side and operating similar goods. In order to compete for a limited market share, all enterprises at any cost, one after another to reduce margins