常见商务邀请函英文版dear sir/madam: i’m delighted you have accepted our invitation to speak at the conference in on . as we agreed, you’ll be speaking on the topic from to . there will be an additional minutes for questions. would you please tell me what kind of audio-visual equipment you’ll need. if you could let me know your specific requirements by , i’ll have plenty of time to make sure that the hotel provides you with what you need. thank you again for agreeing to speak. i look forward to hearing from you. sincerely yours,
