英文邀请函格式如何写英文邀请函？其格式如何？本文介绍5种常见的英文邀请函予以参考：五种常见的英文邀请信之一dear sir/madam:##paidbegin##i"m delighted that 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 questio