The CRM basic theories are foundation stone of whole CRM. But what CRM basic theory system don't be defined clearly.
CRM基础理论是整个CRM的基石，但对于CRM基础理论体系的确立并没有一个清晰的说法。
The CRM basic theories are foundation stone of whole CRM. But what CRM basic theory system don't be defined clearly.
CRM基础理论是整个CRM的基石，但对于CRM基础理论体系的确立并没有一个清晰的说法。
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