Per his description, he didn’t have F-1 visa stamp. His

来源: akc 于 2022-06-05 16:52:57 [] [旧帖] [给我悄悄话] 阅读数 : (98 bytes)
回答: Reply 由 863211 于 2022-06-03 11:34:30

status was changed from B1/2 to F-1 in the US. He mistakenly used the word F-1签证。

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