敬启者：遵照你方10月27日来信的要求，我方特此寄送所需的形式发票一式三份。请注意我方的报价有效期一直截止到11月15日，我方期望及早收到你方的订单。要注意我方的缝纫机销路不错，目前有关询盘许多，请及时采取必要的措施。×××谨上
【正确答案】：Gentlemen, In compliance with there quest contained in your letter of October 27, we are sending you here with the required Proforma Invoice in triplicate. Please note that our offer remains valid until November15,we look forward to receiving your order at an early date. For your information, our Sewing Machines are selling fast, and there have been numerous enquiries about them, please take the necessary steps without delay. Yours truly,
