商業信函，簡稱商函，國外稱為郵件廣告或DM廣告。它是以信函為載體，將客戶所需釋出的商務性資訊廣告，通過郵寄的'方式，直接傳遞到客戶所指定的目標物件手中的一種廣告形式。學會談論商業信函也是商務英語口語的要求。下面這兩篇商務信函商務英語對話希望能夠幫到大家。
A:Did you see the letter I got from Bradform films? They sent the responds to your phone call last week.
B:If you want to see something about my call last week, why didn't they sent it to me?
A:I guess it must have contact information, so they sent it addressed in care of your department head, anyhow,they wrote to confirm in reading what you discussed about milton contract.
B:Can I see it first in seconds?
A:Sure, here it is.
B:Dear k, bother to your telephone call last Friday, I'm reading to confirm our meeting on July 21st,as we discussed, our meeting is to review the contract details.
A:Did they ask you to sent the files beforehand?
B:Let's see, We'll be grateful for the complete to send related materials to our office prior to our meeting. It looks like... Hey! Was there anything else was send along with this letter?
A: I don't think so, why do you ask?
B: The letter writes: please find the enclosed copy of our agenda for your review, I don't see anything else in the envelope.
A: Maybe they forgot to attach it to the letter. You should give them another call.
