The U.S. Department of Homeland Security is reportedly considering a proposal that would require foreign students to reapply for visas every year, reports the Washington Post.
据《华盛顿邮报》报道，美国国土安全部正在考虑一项提案，要求留学生每年申请一次签证。
The report in the Washington Post says Homeland is considering the move as part of a tighter national security program.
《华盛顿邮报》的这篇报道称，国土安全部认为此举是加强美国国家安全计划的一部分。
If implemented, the proposal would add additional costs and paperwork for foreign students, many of whom come from China.
而该计划一旦实施，就会给外国学生--其中很多是中国学生--增添额外的经济负担和文书工作。

The Washington Post is reporting the plan is in its early stages, and may take up to 18 months to complete.
据《华盛顿邮报》报道，该计划尚处于初期阶段，可能还需要18个月才能完成。
The proposal comes as the Trump administration moves to tighten immigration controls.
而在此提案出现的当下，特朗普政府正打算加强移民管制。
The majority of foreign students in the United States currently come from China, followed by India and South Korea. Foreign students are a major source of revenue for U.S. colleges and universities.
目前在美留学的学生中来自中国的最多，其次是印度和韩国。而外国学生是美国高校的一项主要收入来源。