B2转F2 专业人士给个建议是否可以直接在这边换？

来源: Deanna 于 2014-05-23 11:08:04 [旧帖] [给我悄悄话] 本文已被阅读：次

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B2转F2 专业人士给个建议 是否可以直接在这边换？