原文：The beneficiary＇s original signed commercial invoices should

原文：The beneficiary＇s original signed commercial invoices should be at least in 4 copies issued in the name of the buyer indicating the name of the commodity and other relevant information.
译文：受益人签署的原始商业发票至少要一式四份，并要以买方名义开具、注明商品名称及其他有关信息。
【正确答案】：修改：以买方名义开具、注明商品名称及其他有关信息，并经签署的受益人的商业发票正本至少一式四份。（“商业发票正本／原件／原商业发票”）