肯定答覆
Dear Mr. / Ms,
Thank you for your letter of June 28 inviting our corporation to participate in the 2000 International Fair. We are very pleased to accept and will plan to display our electrical appliances as we did in previous years.
Mr. Li will be in your city from July 2 to 7 to make specific arrangements and would very much appreciate your assistance.
Yours faithfully
尊敬的先生/小姐，
感謝六月二十八日來信邀請我們公司參加2000國際商品交易會。我們樂於參加並計劃展示我們前幾年生產的電子設備。李先生將於七月二日至七日去你市做具體安排，非常感謝你的'協助。
你誠摯的
否定的答覆
Dear Mr. / Ms,
Thank you very much for your invitation to attend the 2000 International Fair. As we are going to open a repair shop in your city at that time, we are sorry that we shall not be able to come.
We hope to see you on some future occasion.
Yours faithfully
尊敬的先生/小姐，
非常感謝您邀請我們參加2000國際商品交易會。由於我們將於同一時間到你市新開一家維修店，非常抱歉我們不能前去。
希望以後在某些場合見到您。
您誠摯的