Scientists have called for setting up mask-only trash cans to deal with mask waste.

科学家呼吁建立只收集口罩的垃圾桶来处理口罩垃圾。

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Setting a mask to "*.*.*.*.*" is equivalent to not specifying a mask.

若将一个屏蔽设为 "*.*.*.*.*"，则等于未指定屏蔽。

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It is important to remember that in the community setting the following general measures may be more important than wearing a mask in preventing the spread of influenza.

应当注意，在社区环境中，就预防流感传播而言，下列一般性措施可能比戴口罩更重要。

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