Dear Sir/Madam, 段落一 (1) I am a member of the Cultural Exchange Club in University of Liverpool.(2) I am writing to you to send an invitation to (活动信息). 段落二 (3) I would like to provide the detailed information about the event plan as below.(4) First of all ,the University Theatre will welcome all guests to this activity on Saturday morning at 10:00.(5) Besides, there will be a guest universally admired to give the closing address.(6) Ultimately, we have prepared a post-event party for all our guests to have fun. 段落三 (7) I am grateful to you for your valuable time s