並不是OPT在美國的收入都可以免稅。OPT是F1身份的延伸，每年超過12K的收入是要交稅的。F1社安稅和medical

來源: 天青水藍於 2025-08-31 20:45:50 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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