“confirmed Proforma invoice” 如何翻译?

“confirmed Proforma invoice” 如何翻译? PROFORMA proforma-invoice proforma invoice是什么意思 Discounted Proforma Invoice是什么意思 proforma invoice翻译什么意思 in advance against ProForma invoice proforma invoice 有什么用? confirmed booking是什么意思 laboratory confirmed cases意思 PROFORMA INVOICE & INVOICE有什么区别吗? performa invoice与Proforma Invoice 的区别 Please send Proforma as soon as possible. Holiday Inn Sydney Confirmed是什么意思 ok.confirmed.thanks翻译中文 confirmed letter of credit是什么意思 proforma invoice 形式发票,proforma怎么在词典里查不出来呢, 形式发票(proforma invoice)跟正式发票有甚麼区别