Why is it important to understand the consumer buying proces

要根据回答者的身份来决定怎么回答.例如：
假如回答者是企业（产品制造商）:
Because only after we understand how consumers choose and purchase the products, we are able to design and produce products that best fulfill the consumer needs.
假如回答者是商店（产品销售商）:
Because only after we understand how consumers choose and purchase the products, we are able to create the best shopping environment that attracts more shoppers and purchasers.