每个数据输入点都是可能的客户名称重复源，或者可能会存在生活于同一地区的多个客户。
Each data entry point is a possible source of duplication for customer names or for multiple customers who may live at the same location.
一个客户的数据在每个帐户被重复，通常只是在格式上略微不同。
A customer's data are duplicated for each account, often in slightly different formats.
这是正常的，并且在将特殊兴趣组指定给客户后重复条目会被忽略。
This is expected, and duplicate entries are ignored after a special interest group has been assigned to a customer.
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