Generalized customer lifetime value and upper retrieval expense are put forward and calculated in the basis of single customer.
提出并计算了基于单个客户的广义客户终身价值和挽救费用上限。
Generalized customer lifetime value and upper retrieval expense are put forward and calculated in the basis of single customer.
提出并计算了基于单个客户的广义客户终身价值和挽救费用上限。
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