美国对中国留学生发出混乱信号

Group 1 - The core viewpoint of the articles indicates that President Trump announced the allowance of 600,000 Chinese students to study in the U.S., which is seen as a potential sign of easing tensions in U.S.-China relations [1][2] - Currently, there are approximately 270,000 Chinese students studying in U.S. higher education institutions, and this new policy would more than double that number [1] - The Chinese Embassy in the U.S. reported incidents of Chinese students facing unwarranted scrutiny and harassment by U.S. Customs and Border Protection, including prolonged detentions and equipment searches [2][3] Group 2 - Experts suggest that the U.S. has created numerous practical obstacles for Chinese students, reflecting an unfriendly attitude towards them, which could harm cultural exchanges [2][3] - The statement about allowing 600,000 students is considered a typical "Trump-style" declaration, as the actual number of Chinese students in the U.S. is significantly lower [3] - The processing of student visas for studying in the U.S. has noticeably slowed down, particularly affecting master's degree students, indicating that U.S. policy uncertainty is impacting students' decisions [3]