贵函：Your letter；Your favor
本信／函：Our(My)letter；This letter
前函：The last letter；The last maiL／post
次函：The next letter；The next mail／post；The following
贵方来电／传真／E—mail：Your telegram／fax／E—mail
告知：Advice；Notice；To let…know
特此奉告：We ale pleased to inform you…
特此函告：Notice is hereby given that…
贵函收悉：In reply to your letter…；Answering to your letter…
贵函敬悉：We acknowledge receipt of your letter
同函奉上：Enclosed we hand…
兹答复：We are glad to answer…
如蒙答复，当不胜感激：Your kind reply will greatly oblige us．
惠请：Have the kindness to…
特确认：We confirm…
非常遗憾，今奉告您有关……：We regret to inform you that…
当我方获悉……，甚为遗憾：We ale very sorry to hear／know．．．
如下列所述：As stated below．
对……谨致谢意：We thank you for…
特此通知：We advise you that．．．
兹报盘：We offer you．．．
购买与否,悉听尊便：You will not be pressed to buy．
兹寄上:We send you．．．
恳请速予汇款为荷：An early remittance will be appreciated．
若你方……，我方当感谢不尽：We would very much appreciate it if you could．．．今来函有关……：We／I are／am writing concerning．．．。