（1）贵函
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
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