英语商业信函常用语!
（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 yesterdays 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 ones answer; to make an answer; to send an answer; to write in reply; to answer ones 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).