The modified date has no real meaning for a contact in the real world, but is a function of how the model is used, tracked, and persisted in the system.

在真实世界里，对一个联系人来说“最近修改时间”可能没有什么真正的意义，而只是一个模型在系统中怎样被使用、跟踪、持久化的功能而已。

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When using an automated customer relationship management (CRM) system, the issue is often tracked with a number.

在使用自动化客户关系管理 (CRM) 系统时，通常使用一个编号来跟踪问题。

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All transactions must be documented and tracked — in other words, documents must be traceable — throughout a given business system, so that the rigid controls specified by the mandates are evident.

所有的事务必须文档化，可跟踪——换句话说，文档必须在一个给定的商业系统中可跟踪，以便由法规要求指定地严格控制可以很明显地看到。

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In all other cases the system tracked IP address only.

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The appeal was fast-tracked through the legal system after the ruling in the High Court last month.

BBC: Marie Fleming and Tom Curran

The appeal was fast-tracked through the legal system after three judges at the High Court in Dublin ruled last month that they could not support allowing a third party to bring about the death of another.

BBC: Marie Fleming and Tom Curran