3. 啄木鸟的啄木习性催生了民间的歇后语：“啄木鸟上树-全靠一张嘴”。这个歇后语通过隐喻或比喻表达了啄木鸟攀树的特性，后半句则对其意义进行了解释。4. 在特定的语言环境中，通常只需说出歇后语的前半截，就可以领会和猜想出其本意。例如，形如“啄木鸟修房子-斗嘴劲”、“啄木鸟上供桌-大显花屁股”...
1.
Dear Mr. Li,
Your firm has been recommended 1 to us by the Dickson Electrics Company, with whom we have done business for many years.
We are interested in your Electric Typewriters for use in offices and shall be glad if you will send us a copy of your illustrated catalogue 2 and current price list.
Yours sincerely,
Susan Block
Manager
A Reply
Dear Ms Block,
We welcome you for your enquiry of Fed. 1 and thank you for your interest in our commodities. We are enclosing 3 some copies of our illustrated catalogues and a price list giving the details you asked for.
We trust that you will agree that our products and price appeal to 4 the most selective buyer. And we also allow a proper discount 5 according to the quantity ordered.
Thank you again for your interest in our products. We are looking forward to your order and you may be assured 6 that it will receive our prompt and careful attention.
Yours truly
2.
Dear Mr. Lu,
We have noticed from your advertisement 1 in
www.Chinaproducts.com.cn 2 that you export large quantities of cushions 3 to European market.
Being specialized in this line for a long time, we are well connected with 4 many customers in our country. At present, we are interested in back cushion fine in quality and low in price. It will be highly appreciated if you could send us some brochures and samples for our reference and quote 5 your lowest price on CIF basis including our 3% commission 6 .
Should your goods prove satisfactory and price be found competitive 7 , you may expect substantial 8 orders from us.
We are looking forward to your early reply.
Yours faithfully
A Reply
Dear Mr. Bean,
We warmly welcome your enquiry of April 4 and thank you for your interest in our cushions.
We are enclosing samples and price list of back cushions giving the details you asked for. We feel confident that you will find the goods both excellent in quality and reasonable in price.
Best regards,
Yours sincerely2010-12-10
为什么说 蛤蟆上树——全靠一张嘴 
