3月15日：为什么我们应该戴口罩，并且这不是一个文化问题 [by yz]

by yz

https://matters.news/@ymatters/%E4%B8%BA%E4%BB%80%E4%B9%88%E6%88%91%E4%BB%AC%E5%BA%94%E8%AF%A5%E6%88%B4%E5%8F%A3%E7%BD%A9-%E5%B9%B6%E4%B8%94%E8%BF%99%E4%B8%8D%E6%98%AF%E4%B8%80%E4%B8%AA%E6%96%87%E5%8C%96%E9%97%AE%E9%A2%98-bafyreiavtmvh7f4mzazds7eqop2pxt7y5naja6f7gxs6x72z2puyxnmkoe