雖然很喜歡日前的工作，但我已得到另一家公司提供的更適合我事業目標的職位。
④Thank you for your kind attention and would appreciate if you could let me have a reference letter before I leave.
感謝您對我的關照，如果您能為我寫一封推薦信，我將不勝感激。
⑤I regret having to resign from my position. I wish you and XXX the best of luck and future success.
很遺憾我不得不辭職。祝您和XXX公司好運相伴，未來更加興旺發達。
⑥If I can be of any assistance during this transition, please let me know.
如果在工作交接期有需要我做的事情，請通知我。
Sincerely,
真誠的
(your full name)
(你的全名)