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truly sorry to have done…Please forgive me…I owe you an apologyI am so sorry to have put you through so much trouble5感謝信開頭常用句式I am writing to extend my sincere gratitude for…I would like to convey in this letter my heartfelt thanks to you for …I truly appreciate your am grateful to you for…I appreciate it more than I can can never thank you wish there were a better word than “thanks “to express my appreciation for your generous I must thank you again for your generous was kind and generous of you to do this for me, andI appreciate it more than I can thanks for your kindness and you from the bottom of my heart for…Thank you again for your , I would like to express our warm thanks to I am writing to invite you to … I wonder if you could e …邀請信結尾常用句式I would feel honored if you could would be looking forward to your participation in the really hope you can make honor of your presence is requestedIt’s a pleasure for me to invite you to…We sincerely hope that you make would be honored to have you there with us7詢問信開頭常用句式I would be most grateful if you could send me information regarding/concerning … I am writing to see if it is possible for you to provide me with information regarding …I would like to request some information about…I am greatly concerned about…I would like to obtain some information about…詢問信結尾常用句式Your prompt attention to this letter would be highly am looking forward to hearing from you be so kind as to send me some relevant booklets on the abovementioned aspects?I am looking forward to a favorable reply at your earliest you for your consideration and I will be looking forward to your I am writing to seek for your assistance in …I am writing to formally request to…請求信結尾常用句式I would like to thank you for your generous help in this am looking forward to a favorable reply at your earliest you for your consideration and I will be looking forward to your you for your attention to these look forward to a favorable I am writing this letter to see if it is possible for me to have my … I would really appreciate it if you could do somethingI am looking forward to a favorable reply at your earliest you for your consideration and I will be looking forward to your I am writing to express my views concerning …You have asked me for my advice with regard to … and I will try to make some conductive In my humble opinion, you would be wise to take the following action:I hope you will not find it too forward for me to sugg