dear mr. smith,
i am sorry to inform you by this letter that i plan to resign my present job in the next month. the main reason is that i will move to qingdao to live permanently with my family, as qingdao is my hometown.
looking back upon my five-year experience in this organization, i have had a very happy and enjoyable time working with you and other colleagues, from whom i have received lots of help and have learnt much. please accept my sincere gratitude, as well as my regret for not being able to serve here any longer.
yours faithfully,
li ming
譯文：
尊敬的史密斯先生：
通過這封信我很遺憾地告訴您我計畫在下個月辭去目前的工作，其主要原因是我將和我的家庭一起搬回我的家鄉青島，並將在那裡長期居住。
回顧我在這個組織中五年的工作經歷，我與您和眾位同事度過了非常愉快的時光，你們給了我很多幫助，也教會了我很多東西。請接受我最誠摯的感激，我也非常遺憾不能在這裡工作更長的時間。
您真摯的，
李明