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来源: 于 2018-12-15 14:12:45 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

父母目前在美国。 但护照还有几个月就过期了（但签证有效期比护照长）。 是否需要在递交绿卡申请前更新护照？ 谢谢。 

-Not need. But they had better renew their passpaort as soon as possible in case they need to travel.