They're already used indozens of countries worldwide.
它们已经在全球许多国家得到使用。
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After Hurricane Katrina hit in 2005, mail facilities were set up indozens of locations across the country in the two weeks that USPS was unable to provide street delivery.
A new data shows that the global AIDS pandemic will cause a sharp drop in life expectancy indozens of countries, in some cases declines of almost three decades.