案件调查想要的是某些“非内容性”的信息，比如用户开具账单的记录和与其帐号有关联的IP地址。
Instead, it seeks certain "non-content" information, like billing records and IP addresses associated with the accounts.
收回成本：确定向客户提供产品或服务的每一个成本，以此向客户开具产品或服务的账单。
Chargeback: Identifying the cost of providing a product or service to a customer and billing the customer for that product or service.
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