谢谢8老师的回复！请问您说的b2 approval has not been in effect 是什么意思呢？

来源: LaiKK 于 2023-10-20 19:17:03 [旧帖] [给我悄悄话] 本文已被阅读：次

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谢谢8老师的回复！ 请问您说的b2 approval has not been in effect 是什么意思呢？