A formal approach to this customer-focused marketing is known as SIVA[5] (Solution, Information, Value, Access).
这种以顾客为核心的营销的一种正式模式叫SIVA（方案、信息、价值、接入）。
A formal approach to this customer-focused marketing is known as SIVA[5] (Solution, Information, Value, Access).
这种以顾客为核心的营销的一种正式模式叫SIVA（方案、信息、价值、接入）。
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