我用開既,無中文version, < > 自己改
Dear Mr. <XXX>,
It is with great regret to inform you of my resignation from my current position as < your post > with effect on < Resign date> . One-Month advance notice in writing is thus given herewith.
It has been a pleasure working with you during the < X > years at <XXX> at which a vase amount of experience and knowledge is gained. My leaving is solely due to an opportunity risen elsewhere and is of no personal cause.
Thank you for your kind attention and I hope we may have many opportunities to co-operate again in the future.
Yours Sincerely,