Dear Mr. Wang, I am writing to inform you about my decision to resign from my current position.
The primary reasons are as follows.
First, after two months, I do feel that it is not easy for me to get used to the extra work and night shift.
Second, the salary is proven to be much lower than you originally promised, and I have a large family to support.
Last, what I have learned in the university cannot meet the requirement of being an editor.
I feel terribly sorry for the inconvenience I have caused.
I sincerely hope that you approve of my resignation.
Yours sincerely, Li Ming