@MichaelSFuhrer I think most can half by wearing a high quality well fitting mask at work. Of course it depends on the nature of work but that's likely > half of daily contacts right there (assuming low/typical restaurant use, not a high user eating out daily). Of course, don't want to is true..
@MichaelSFuhrer 我认为大多数人可以通过在工作中戴上高质量的合身面罩来减半。当然，这取决于工作的性质，但这很可能