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來源: 於 2023-10-27 18:47:23 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Not need to purchase the returning trip air ticket. But he has to wait for at least 90 days after he enters US using B2 visa, then you can sponsor him green card appliaction (90-day rule).