日期:2011-01-19 10:11
vitation to attend the 1997 Internationl 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1997國際商品交易會(huì)。由于我們將于同一時(shí)間到你市新開一家維修店，非常抱歉我們不能前去。
希望以后在某些場合見到您。
您誠摯的