一、商务信函常用语
1感谢 Thank you for your interest in …
Thank you for your cooperation of …
2歉意 We apologize that our product did not meet your requirement …
We apologize for the inconvenience we brought to you
We apologize for delaying …
We are awfully sorry for …
3要求 We need the details of your requirements on … of the product
Could you please send/offer/tell/give us …
4建议 We advise you to …
We suggest that …
If I were you, I’d like to …
5希望 We sincerely hope that …
We wish you to …
6得知 We are pleased/happy/sorry to learn that …
7告知 we are pleased/happy/sorry to inform/tell you …
We have the honor to inform you that …
8计划 We are planning to …
We will arrange the shipment …
We are considering …
9试探询问 I wonder whether you could ...
Could you be kind enough to tell us …?
10商讨 What about …
Is it appropriate/proper/suitable for us to /that …
11意外 Unfortunately … /Unexpectedly … /To our surprise …
12抚慰 Hope such kind of incidence won’t happen in the future
13保证 We can ensure the product/shipment …
14做出承诺 We promise that the product/shipment …
We assure you of our best services at all times.
15要求承诺 Please make sure …
16表达意愿 I’d like to …
We are willing to …
We decide to …
We may/could/shall …
17表达能力 We can/could/may supply/wait …
18提起话头 Generally speaking … /Specifically speaking …
Honestly speaking … /Frankly speaking …
19随信附上 We are inclosing a copy of …
The attached is/are …, please check it/them.

二、常用的描述性语句
1信件 Unfortunately, our last e-mail did not reach you, and hope this one will reach you smoothly.
2产品 popular /advantage /good quality /details /specification /first-grade一等品/
3库存 available /not available /in stock /in shortage
4 运输时间 before the deadline /on time /delay
4.1 I don't think we can meet the delivery date you required.
（我想我们无法满足贵方提出的交货日期。）
4.2 Could you extend the delivery period by a week (5 days) or so? That would make things much easier for us.（贵方不能将交货期再延长......吗？那会让我们好办得多。）
4.3 I think we could put off the date by a week (5 days) or so. But I'd have to check before I can give you a firm promise.（我想我们可以将日期推迟...左右。但我要核查后才能给你一个确切的答复。）
5讨价还价
5.1 We're sorry to inform you that your price has been found uncompetitive, but we're still interested in doing business if you can bring down your price to an acceptable level.
5.2 Could you give us some discount since it is a large order.
5.3 We will give you a discount of 5% if your order valued over …
5.4 We will give you a discount of 5% if you order on a regular basis.
5.5 Compared with the international market, our price is very reasonable.
5.6 To some extent, our price depends on how large your order is.
6价格 acceptable /unacceptable price
competitive有竞争力的 /reasonable合理的 /rock-bottom最低的 price
special /favorable price
cost /market /wholesale /retail price

三、客户信函种类
1 有希望达成或正在进行订单的
Thank you for your interest in …
2 不知能否达成订单的
Please allow us draw you attention to our products, due to their high quality and competitive price. We are looking forward to your earliest reply. Sincerely hope we can establish friendly long-term trading relationship from now on.
3 无法达成订单的
We are sorry that the product is not available at present.
We are sorry that we can’t supply the product on time.
Hope we can supply you other products in the future. 

四、供货商的回函
1产品种类 Could you supply us the product of …?
2数量 We need …
3价格 Could you give us some discount of the batch of …?
Can you tell me the lowest price you can offer?
While we appreciate your cooperation, we regret to say that we can’t reduce our price any further.
4运输 We hope you can supply the product on time.
5致谢 We are very grateful for your support/cooperation.