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实际上，这些细菌有的对你有益。
Some of these bacteria are actually good for you.
youdao
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这些细菌大多是有益的，对人体维持正常的生理功能有重要的作用。
Majority of the resident bacteria are useful in promotion of human health.
youdao
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这些细菌大多是有益的，对人体维持正常的生理功能有重要的作用。
Majority of the resident bacteria are useful in promotion of human health.
youdao