1. 由于我年事已高，不得不退出本公司业务，决定在故里安度晚年，遗憾之处，诸希鉴原，特此通告。
It is not without regret that I write to inform you of my retirement from business, but as I am now getting on in years, I have decided to spend
2. 因为我年龄已高，不得不退出本公司营业，抉择在家乡安度晚年，遗憾之处，诸希鉴原，特此通告。
It is not without regret that I write to inform you of my retirement from business, but as I am now getting on in years, I have decided to spend at least part of the autumn of my life in the quiet of my native place.
3. 鉴原
3. 由于我年事已高，不得不退出本公司业务，决定在故里安度晚年，遗憾之处，诸希鉴原，特此通告。
It is not without regret that I write to inform you of my retirement from busine, but as I am now getting on in years, I have decided to end at least part of the autumn of my life in the quiet of my native place.