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来源: 2018-09-07 08:37:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

请问8老师,持绿卡在中国四个半月,这次回美国,入关的时候,看到海关人员在入关纸上写了150三个数字,请问是什么意思?谢谢
-Probably it means you stayed outside US for about 150 days on this trip.