大家好～想让大家帮我改一下我写的英语作文 拜托了 感谢点进来看的人 麻烦大家帮我改一下 感激

Dear Sir or Madam,
I, the undersigned, am a customerof your store. I am writing this letter today to you to complain about thequality of the digital camera (产品名称) I bought lastFriday at your store. During the five days the camera (产品名称) has been in my possession, problems haveemerged one after another. For one thing, it cannot work very well, making itdifferent from a traditional one. For another, it has brought a lot of troublein my life. Therefore, I wish to exchange it for another one or declare arefund.
I will appreciate it if my problemreceives due attention. I am looking forward to hearing from you soon.
Sincerely yours,
Li Ming