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Clean air is surely much better and more hygienic.
清洁的空气当然好，更加卫生。
youdao
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Other factors also had a more tremendous influence to the hygienic service demand.
其他因素对卫生服务需求也均有较大影响。
youdao
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Other factors also had a more tremendous influence to the hygienic service demand.
其他因素对卫生服务需求也均有较大影响。
youdao