叔真是服了美帝的制度和领导力了。 https://news.yahoo.com/its-too-late-for-masks-alone-to-turn-the-tide-on-
coronavirus-why-the-us-needs-to-lock-down-hotspots-right-away-161657975.html
Masks are necessary to combat America’s resurgent coronavirus pandemic. But
at this point, they may no longer be enough.
Patterns that have emerged in countries that are faring much better than the
United States suggest we won’t bring the virus to heel until we start
locking down hot spots as well.
