如何写一封国际会议的交流信？

例信

1. The heading（右上角）
   Secretary, Symposium
   Department of Philosophy
   Queen's University
   Kingston, ON K7L 3N6
   Canada
   September 11, 2010
2. The inside address（居左对齐）
   Mr.Photios Annio
   Institute of Arts and Philosophy
   Demokritus University of Thrace
   Alexpolis, Greece
3. Stating the purpose of the letter and informing the date and place of the conference
   Dear Mr.Photios Annio,
   I have received your letters of September 3, 2010 and thank you for your interests in the Symposium on contemporary Issues in Aesthetics which will be held in Queen's University, Kingston, Canada, from 25 to 28, June 2011.
4. Introducing the topics of the conference
   The Symposium is dedicated to exploring contemporary issues in aesthetics and its relation to Continental thought. Paper submissions are welcome on topics that include, but are not restricted to, the role of art in the production and expression of meaning, examinations of notions such ass style, metaphor, symbol, and narrative, art and self-knowledge, and the role of art in the philosophical enterprise.
5. Referring the enclosed documents
   Detailed information can be found in The Call for Papers enclosed herewith. If you have any other inquiries or require any assistance, please do not hesitate to contact me.
   We are looking forward to your participation.
6. The complimentary close（右下角）
   Yours sincerely,
7. Signature
8. Printed name

邀请信
Dear Professor Kawasaki,
In light of your renowned research and your contribution in the field of Satellite Communication, we would like to formally invite you to serve as an Invited Speaker at the upcoming Satellite Communication Symposium. This symposium is to be held at HK University on March 15, 2005. We hope your lecture will include a discussion of trends and current developments in SATELLITE COMMUNICATION BACKBONE NETWORK.
We will provide roundtrip airfare ticket and accommodation. Please send us your lecture title and outline, along with related handouts, before January 18, 2005. Please do not hesitate to let me know if you have any concerns and/or suggestions. Your contribution to this symposium would definitely benefit all the participants.
Yours Sincerely
Li Ming