【答案解析】Dear Mr. Frank, Thank you for the time and effort you spent considering me for a position as seminar leader. I am grateful for your offer of employment. While I believe firmly in the mission of your company and appreciate the challenging opportunity you offer, I have had another offer which I believe more closely matches my current career goals and interests. Therefore, although it was a difficult decision, I must decline your offer and offer you my sincere apologies. I do appreciate all the courtesy and hospitality extended to me by your office, and I wish you well in your endeavors. I hope our paths will cross again in the future. Thank you again for your time and consideration. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Sincerely, 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Jane Chole