Dear Sir,
Thank you for taking your time to read this letter. Attached please find the document(s) as requested. Please feel free to contact ().
是翻译成为英语吗，
dear sir
thanks for you to taking time to read the letter in busy。i sended the file what you wanted ，please contact （who）
Dear Sir, thank you for taking your time to read this letter, this is sent to you want archive file, please contact ().