当你开始承担经济责任、租金、税收时，你必须记录你支付的频率。

When you start having financial obligations, rents, taxes, you have to keep track of how often you pay.

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通过频率分布或记录链接发现的单个源内或跨多个源的重复表示，需要通过合并来提供数据。

Duplication within a single source or across sources as found through either a frequency distribution or a record linkage indicates that a consolidation is needed for presentation of the data.

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write - behind的配置可以调整，以满足自己的运行环境，这其中包括写事务的比例，相同记录更新的频率，以及数据库的更新延迟。

The write-behind configuration should be tuned to best match your environment with regards to the ratio of write transactions, the same record update frequency, and database update latency.

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