（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