今天收到移民局的回信,请帮忙看看什么是addtional review

来源: 于 2008-09-23 18:44:38 [旧帖] [给我悄悄话] 本文已被阅读：次

we are actively processing this case. however, we have to perform additional review on this case and this has caused a longer processing time. if you do not receive a decision or other notice of action from us within 60 days of this letter, call us.
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这是啥意思？