英文邀请函的正确格式

英文邀请函一般正式的文体前面都不空格，且段落间是要空一行的。格式如下：

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 "" from [time] to [time]. 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 [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, 

[name] 

[title]