【正文】
ce for you. Sincerely yours, 五、Dear sir/madam: On , we will host an evening of celebration in honor of the retirement of , President of . You are cordially invited to attend the celebration at , , on from to . has been the President of since . During this period, expanded its business from to . Now its our opportunity to thank him for his years of exemplary leadership and wish him well for a happy retirement. Please join us to say Goodbye to . See you on . Yours sincerely