Up selling: is the additional sales is an important method of improving customer profitability, is the point of customer sales of a product is added, strengthen or related product upgrading effect.
向上销售：即为追加销售是提升客户盈利能力的一种重要方法，是指向顾客销售某一产品的有补充、加强或者升级作用的关联产品。
Up selling: is the additional sales is an important method of improving customer profitability, is the point of customer sales of a product is added, strengthen or related product upgrading effect.
向上销售：即为追加销售是提升客户盈利能力的一种重要方法，是指向顾客销售某一产品的有补充、加强或者升级作用的关联产品。
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