“confirmed Proforma invoice” 如何翻译?

“confirmed Proforma invoice” 如何翻译? proforma invoice proforma-invoice proforma invoice是什么意思 proforma invoice的条款 performa invoice与Proforma Invoice 的区别 PROFORMA INVOICE & INVOICE有什么区别吗? proforma invoice 有什么用? 贸易当中proforma invoice是什么意思? in advance against ProForma invoice FULL DETAILS ARE AS PER PROFORMA INVOICE NO111请帮助翻译此句 Proforma Invoice 和 Contract 有什么区别