When a customer buys from you, chats with your sales rep and maybe returns a product, a true CRM product or service can help you mine this data and use it to know more about your customers.

当消费者从你那里购买产品，与你的销售代表交谈，或者退换产品的时候，一个真正的客户关系管理产品或服务能帮助你记录这些数据，然后通过这些数据来增加对客户的了解。

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