Your letter; Your favour; your esteemed 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 cipher telegram; Your wireless telegram; Your TELEX; Your Fax.

    （7）贵方电话

    Your telephone message; Your phone message; Your telephonic communication; Your telephone call; Your ring.
 
    （8）通知

    (Noun)
    Advice; Notice; Information; Notification; Communication; A report; News; Intelligence; Message.
    (Verb)(通知，告知)
    To communicate (a fact) to; To report (a fact) to...on; To apprise (a person) of; To let (a person) know; To acquaint (a person) with; To intimate (a fact) to; To send word; to send a message; To mail a notice; to write (a person) information; To give notice（预告）; To break a news to(通知坏消息); To announce(宣布).

    （9）回信

    (Noun)
    An answer; A reply; A response.
    (Verb)
    To answer; To reply; To give a reply; To give one's answer; To make an answer; To send an answer; To write in reply; To answer one's letter.
    (特此回信)
    Reply to; Answering to; In answer to; In reply to; In response to.
    (等候回信)
    To await an answer; To wait for an answer.
    (收到回信)
    To get an answer; To favour one with an answer; To get a letter answered.

    （10）收讫，收到

    (Noun)
    Receipt(收到); A receipt(收据); A receiver(领取人，取款人); A recipient(收款人)
    (Verb)
    To receive; To be in receipt of; To be to (at) hand; To come to hand; To be in possesion of; To be favoured with; To get; To have; To have before (a person); To make out a receipt(开出收据); To acknowledge receipt(告知收讫).

    （11）确认

    To confirm; Confirming; Confirmation; In Confirmation of(为确认……，为证实……); A letter of confirmation(确认函或确认书)

    （12）高兴，愉快，欣慰

    To have the pleasure to do; To have the pleasure of doing; To have pleasure to do; to have pleasure in (of) doing; To take (a) pleasure in doing (something); To take pleasure in doing (something); To be pleased to (with)(by); to be delighted at (in)(with); To be glad to (of)(about); To be rejoiced in (at).

    （13）随函附件

    Enclose; Inclose.

    （14）迅速，立刻

    Urgently; Promptly; Immediately; With all speed; At once; With dispatch; With all despatch; With the quickest possible despatch; With the least possible delay; As soon as possible; As quickly as possible; As promptly as possible; At one's earliest convenience; At the earliest possible moment; At an early date; Without delay; Without loss of time; Immediately on receipt of this letter; By express messenger; By Special messenger; By special delivery; By express letter.

    （15）回信

    By return; By return of post; By return of mail; By return of air-mail.

    （16）依照

    According to; Agreeably to; Conformably to; pursuant to; In accordance with; In conformity with (to); In obedience to; In deference to; In compliance with; In agreement with; In pursuance of.

    （17）就……，关于

    About; Regarding; Concerning; As to; As regards; With regard to; In regard to;(of); Respecting; Relative to; Anent; In connection with; Referring to; With reference to; In reference to; Re.

    （18）期满到期及应付之款

    To be due; To fall due (become) due(日期将到); Duly(正时，及时); In due Course (依照顺序).

    （19）每个，按照，通过

    Per(=by, through) rail.(post,mail,steamer)(通过铁路，邮政，轮船)
    Per pro.= by proxy (由代理)
    Per annum (=yearly，每年)
    Per mensem (=monthly,每月)
    Per diem [daiem] (=daily,每日)
    Per man, per capital (=per head,依照人数，每一人)
    Per piece(每一个，每一件)

    （20）表示抱歉（冒昧做了某事）

    To take the liberty of doing something; To take the liberty to do something; To take the liberty in doing something.

    （21）甚感遗憾，请包涵

    To regret; To be sorry; To be chagrined; To be mortified; To be vexed; To regret to say; To be sorry to say; To one's regret; To feel a great regret for; To express regret; To be regretted; To be a matter for regret; To be regrettable; To be deplorable.

    （22）（我们）对于...甚感荣幸

    To have the honour of doing (being); To have the honour to do (be); To do one (oneself) the honour of doing (being); To esteem (regard) it as a high honour to do (be); To appreciate the honour to do (be); To feel honoured to do (be); To owe one a debt of honour to do (be); To be honoured with doing (being) something; To honour one with doing (being) something.

    （23）请

    Please; Kindly; be good enough; Be kind enough; Have the kindness.

    （24）感谢，衷心感谢等

    To thank; To be (feel) thankful; To be (feel) grateful; To be obliged; To be indebted; To esteem (it) a favour (privilege); To give (tender, return) one's thanks; To express one's gratitude (appreciation); To tender one's sincere thanks for; To be overwhelmed with gratitude.

    （25）请照顾等

    (Noun)(请吩咐)
    Command; Order; Service
    (Verb)(服务)
    To command; To order; To serve; To be at one's service; To render service to one; To do one a service; To be of service to one.