a letter of dimission的用法和样例：
- Now time,economic situation is not very good,submit a letter of dimission is not easy decision.
- I'm writing a letter of thanks to them.
- A good face is a letter of recommendation.
- He is fishing for information by a letter of inquiry.
- I hope a letter of admission will be issued to me in due course.
- Within two days I received a letter of acceptance from the manager.