For the complexity and variability of customer retention and loyalty management, how to build a well-structured service assurance model is a practical problem.
鉴于客户保持及忠诚度管理的复杂性和多变性，如何建立一种优良结构的业务保障模型成为一个现实问题。
For the complexity and variability of customer retention and loyalty management, how to build a well-structured service assurance model is a practical problem.
鉴于客户保持及忠诚度管理的复杂性和多变性，如何建立一种优良结构的业务保障模型成为一个现实问题。
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