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Joe Biden has signed an executive order that bans American entities from investing in dozens of Chinese companies with alleged ties to defense or surveillance technology sectors. In a move that his administration says...
英国 Covid 实时新闻: four-fold expansion in daily testing centres for workers in England’s ‘frontline sectors’
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最新更新: expansion sees another 1,200 testing sites set up in England as the government tries to combat impacts of self-isolation ‘pingdemic’