通用商务：英语商业书信-信中常用语(1)

   （1）贵函

    Your letter; Your favour; your esteemed¹ letter; Your esteemed favour; Your valued letter; Your valued favour; Your note; Your communication; Your greatly esteemed letter; Your very friendly note; Your friendly advice; Yours.

    （2）本信，本函

    Our (my) letter; Our (my) respects; Ours (mine); This letter; these lines; The present.

    （3）前函

    The last letter; The last mail; The last post; the last communication; The last respects(自己的信); The last favour(来信).
 
    （4）次函

    The next letter; The next mail; The next communication; The letter following; the following.

    （5）贵函发出日期

    Your letter of (the) 5th May; Your favour dated (the) 5th June; Yours of the 3rd July; Yours under date (of) the 5th July; Your letter bearing date 5th July; Your favour of even date(AE); Your letter of yesterday; Your favour of yesterday's date; Your letter dated yesterday.

    （6）贵方来电、电传及传真

    Your telegram; Your wire; Your cablegram(从国外); Your coded wire(密码电报); Your code message; Your cipher² telegram; Your wireless³ telegram; Your TELEX⁴; Your Fax.

    （7）贵方电话

    Your telephone message; Your phone message; Your telephonic communication; Your telephone call; Your ring.

1 esteemed   

adj.受人尊敬的v.尊敬( esteem的过去式和过去分词 )；敬重；认为；以为

参考例句：

• The art of conversation is highly esteemed in France. 在法国十分尊重谈话技巧。 来自《简明英汉词典》
• He esteemed that he understood what I had said. 他认为已经听懂我说的意思了。 来自《简明英汉词典》

2 cipher   

n.零；无影响力的人；密码

参考例句：

• All important plans were sent to the police in cipher.所有重要计划均以密码送往警方。
• He's a mere cipher in the company.他在公司里是个无足轻重的小人物。

3 wireless   

adj.无线的；n.无线电

参考例句：

• There are a lot of wireless links in a radio.收音机里有许多无线电线路。
• Wireless messages tell us that the ship was sinking.无线电报告知我们那艘船正在下沉。

4 telex   

n.用户电报，直通专用电传

参考例句：

• I shall send you the information by telex.我将用电传把这一信息给你传来。
• He rushed in with an urgent telex from Hong Kong.他手里拿着一份香港发来的紧急电传冲了进来。