After my profound consideration,I have decided to resign my current position.This application is due to nothing but purely personal interest.I think highly of my working experience at XX company,and I am hornored to be a member of it.I am sure my experience at XX company will be of grate benefits for my future career development.
I am sincerely grateful about this.And I appreciate the company leaders for giving me the opportunity to serve the company.(自己翻译的噢!)