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在美国境外停留超过一年或者超过回美许可证有效期的永久居民(称为合法永久居民或LPR)或附有条件的居民(CR)需要新的移民签证以进入美国及恢复永久居留。如需申请回美签证,您必须用电子咨询表格(英文)与美国驻广州总领事馆移民部联系安排首次面谈,以确定其是否符合条件。如果您想了解更多关于回美签证的信息,请访问 usvisa.state.gov (英文)和 ustraveldocs.com。