中國在超級大國科技競賽之際,以保護「國家安全」為由實施出行限制

英文原標題：China imposes travel curbs to protect ‘national security’ amid superpower tech race

英文原摘要：China imposed sweeping travel restrictions on its citizens on Tuesday, including exit bans on those deemed to endanger the country’s “industrial or technological security”. Citizens who violate technology import and export regulations could be banned from leaving China, the State C