市场需求从本质上讲是一个个性化需求的集成。由于人的消费观念和基本条件的差异，任何一个人都有自己独特的需求，犹如一个人的指纹一样。在工业化时代，由于技术的原因，产品的供应往往做不到这一点，或者说消费者还不能真正这样去选择，因为这种产品的价格肯定不是大多数消? Market demand is essentially an integration of individual needs. Due to the difference of people's consumption concept and basic conditions, anyone has their own unique needs, just like a person's fingerprints. In the era of industrialization, because of technical reasons, the supply of products often can not do this, or that consumers can not really choose this way, because the price of this product is certainly not the majority of consumer?