According to Pozniak, the cleaners might not be distilling their solvent frequently enough or changing their filters properly.

据Pozniak称，干洗店有可能蒸馏溶剂的次数不够频繁，或者没有及时更换过滤器。

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"If a dry cleaners is not charging enough or not making enough money, one way to cut back on costs is not to distill as often," says Pozniak.

“如果一个干洗店开价过低或是进项不足，节省开支的方法之一就是减少蒸馏次数”Pozniak说。

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