突发！特朗普全面暂停12国公民入境，这7国公民被部分限制入境

Group 1 - The core point of the news is that President Trump has announced a comprehensive travel ban affecting citizens from 12 countries, citing national security concerns [1][3] - The countries affected by the travel ban include Afghanistan, Myanmar, Chad, the Republic of Congo, Equatorial Guinea, Eritrea, Haiti, Iran, Libya, Somalia, Sudan, and Yemen [1][3] - Additionally, partial entry restrictions will be imposed on citizens from seven other countries: Burundi, Cuba, Laos, Sierra Leone, Togo, Turkmenistan, and Venezuela [3] Group 2 - The Trump administration is considering broader travel restrictions for citizens from dozens of countries, categorizing them into three groups based on the level of restriction [4] - The first group includes countries facing a complete entry ban, while the second group will have limited immigration or travel restrictions, and the third group will face potential visa impacts if their governments do not address deficiencies within 60 days [4] - Recent warnings from various countries, including Canada and several European nations, advise against non-essential travel to the U.S. due to the rapidly changing political landscape and reports of difficulties faced by travelers at the border [5]