随着商业竞争的重点从货源竞争转向客源竞争，如何争取消费者已成为在竞争中取胜的关键。而要成功地争取消费者，首先必须研究顾客，“吃透”顾客。东晋的王丞相刚到南京时国库空虚，除了几千轴丝绢之外没有多少银钱。为了筹集经费，他准备卖掉丝绢。但丝绢在市场上并不畅销， With the focus of commercial competition from source competition to source competition, how to win consumers has become the key to winning in the competition. To successfully fight for consumers, we must first study the customer, “thoroughly” customers. When the prime minister of the Eastern Jin Dynasty just arrived in Nanjing, the state treasury was empty. There was not much money except thousands of axes of silk. In order to raise funds, he is ready to sell silk. However, silk is not sold in the market,