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据世界卫生组织对194个国家的统计结果。到2007年末,全球通过法律法规在公共场所禁止吸烟的国家和地区已达84个。
According to WHO statistics on 194 countries. By the end of 2007, there have been 84 countries and regions in the world that have passed laws and regulations to ban smoking in public places.