为什么只是2011.12.30的订单需要签名确认?货期是2011.11.17的订单是否需要签名确认?的翻译：Why is signature confirmation service for orders 2011.12.30? delivery orders is 2011.11.17 signature confirmation is required? 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Why is 2011.12.30 orders require a signature confirmation? Delivery time is 2011.11.17 orders need to sign to confirm?

Why is signature confirmation service for orders 2011.12.30? delivery orders is 2011.11.17 signature confirmation is required?

Why only is 2011.12.30 order forms needs to sign the confirmation? The goods time is 2011.11.17 order forms whether needs to sign the confirmation?

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Why is signature confirmation service for orders 2011.12.30? delivery orders is 2011.11.17 signature confirmation is required?