Normally, no cleanup is necessary, which would mean that you do not need to implement this function.

通常不需要清理，这意味着不需要实现该函数。

youdao

Hershkowitz says,ideally, the Gulf cleanup's oily trash should be disposed of in an energy-producing furnace, but there are currently no facilities large enough to handle the volume of waste being generated by the cleanup efforts.

VOA: standard.2010.08.05

Berkeley Assemblywoman Loni Hancock is still upset that local officials had no access to cleanup resources.

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There is no question that the cleanup activity truly turned Pentagon resources out in a massive effort.

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No, not Sandy storm cleanup, rather who is going to cleanup after the marathoners?

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