并不是OPT在美国的收入都可以免税。OPT是F1身份的延伸，每年超过12K的收入是要交税的。F1社安税和medical

来源: 天青水蓝于 2025-08-31 20:45:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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