請問小白兔，pjiang老師，收音機等：４８５可以在不同的category間轉換嗎？比如，從NIW轉到EB1.

來源: AllWillHave 於 2007-08-17 12:04:28 [舊帖] [給我悄悄話] 本文已被閱讀：次

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