求英语作文,200字,图书管理员想辞职,写一封信给图书馆馆长,背景条件如下：

Dear Mr.Wang,
Thank you for reading my letter while a lot of work has been troubleing you.
I would like to thank you allowing me to work here for as long as ten years .And I am very happy to say that working here is kind of comfortable .I'm pretty sorry about quiting the job for a new one.As is known,knowledge has no limit,so I have to say that I need to recharge my batteries with a new challenge.Aslo,it is boring for being here ten years,and the present occupation tied me.
I cherish the experience I have received.I'm confident that it will be very usual to me in my future career.
Sincerely yours,
Tony
唠叨一句,仅供参考!

Dear library curator, I have work for ten years, think again because family pressure heavy, so think of other place to work, please curator you promised.
亲爱的图书馆馆长,我已经工作十年了,再想想看,是因为家庭压力沉重,所以想过去其它地方工作,请馆长您答应。

Dear Mr.Wang,
Thank you for reading my letter while a lot of work has been troubleing you.
I would like to thank you allowing me to work here for as long as ten years .And I am very ha...