Dear Mr. Wang, I am writing to inform you about my decision to resign from my current position.
尊敬的王先生： 我写信是为了告诉您我决定辞去目前的职位。
The primary reasons are as follows.
 主要原因如下：
First, after two months, I do feel that it is not easy for me to get used to the extra work and night shift.
首先，经过两个月的时间，我确实感到很难适应加班和夜班；
Second, the salary has proven to be much lower than you originally promised, and I have a large family to support.
其次，工资事实上比您原先承诺的低很多，而我有一个大家庭要供养；
Last, what I have learned in the university cannot meet the requirement of being an editor.
最后，我在大学中所学无法满足作为一名编辑的要求。
I feel terribly sorry for the inconvenience I have caused.
我为对公司带来的不便深表歉意，
I sincerely hope that you approve of my resignation.
I由衷的希望您同意我的辞呈。
Yours sincerely, Li Ming
您真诚的， 李明