Poor housekeeping and fluff accumulation on machine parts.

在机器上整理不好，在机器部件上挂花。

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Poor: General appearance reflects disorganization and poor housekeeping practices.

差：总的外观反映出无次序的及很差的卫生状况。

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Both findings, Dr. Roses argues, suggest that people born with an E-4 gene suffer more from poor "housekeeping" than other people and thus are less able to stand the stress of brain injury, whether from an accident or a hemorrhage.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live