第一部分:说明邀请目的
On behalf of…, I have the honor to invite you to…
It is with the great pleasure that I write to cordially invite you to…
It gives me the greatest pleasure to invite you to…
We should be very grateful if you could…
第二部分:说明活动安排
Will you and Mrs. Smith give the pleasure of dining with us at the Beijing Hotel on Sunday, October 10th, at eight o'clock?
There will be a dinner party to be held at the Beijing Hotel on Sunday, October 10th, at eight o'clock. Will you and Mrs. Smith come and join us?
I hope that you have no previous engagement and can join us for the English Evening at 7:00 p.m. on February 1st.
第三部分:期盼回复
We are looking forward to seeing you.
I do hope that you will be able to come.
We should be very pleased if you could honor us with your company.