【正文】
engthen your petitive power, please don’t hesitate to ask me send the sales contract to you. 商務(wù)邀請函五Dear sir/madam: I’m delighted you have accepted our invitation to speak at the Conference in [city] on [date]. As we agreed, you’ll be speaking on the topic XX from [time] to [time]. There will be an additional minutes for questions. Would you please tell me what kind of audiovisual equipment you’ll need. If you could let me know your specific requirements by [date], 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, XXX4