No more than three sent back data clean enough to use.

至多3台发回了清晰到足以使用的数据。

youdao

This is why there is less overhead for dirty data as compared to clean data.

这就是与干净数据相比，“脏数据” 的开销更小的原因所在。

youdao

However, when data is not clean, the duplicate records get dropped and there is less data to load into the database. This reduces loading time.

但是，当数据不干净时，副本记录将被弃用，只需将较少的数据加载到数据库，这将减少加载时间。

youdao

We realized that data stewardship was important, and we led important meetings and discussions with the users building a plan and ongoing process for keeping the data clean.

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Citing international data, the Clean Air Network, another local green group, argues that local air is often three times as foul as in New York and London.

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