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来源: 于 2016-04-11 15:28:17 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

持绿卡回国可以呆多长时间呢？有的说改为3个月了，父母想回国处理些重要事情，担心3个月时间不够

-Technically, they can stay there less than one year occasionally, but they had better return to US within 6 months.