假设你是李华。最近在某购物网站买了一部电子词典，使用几天后，

假设你是李华。最近在某购物网站买了一部电子词典，使用几天后，发现它经常死机而且耗电很快。请你给卖家写一封投诉信。

注意：1. 词数100左右；  2.适当增加细节，以使行文连贯。

Dear Sir or Madam,

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Yours sincerely,

                                                                               Li Hua

Dear Sir or Madam,

I’ve recently bought an electronic dictionary from your website. However, some problems have arisen, which makes me upset. I am writing to complain about them.    

To begin with, its system always breaks down when I am using it. Besides, the battery only lasts about one hour, so I need to recharge it every day, which causes me too much trouble. Therefore, I would like to either change the electronic dictionary for another one that works well or get a full refund. I would be grateful if you could settle my complaint as soon as possible.  

Thank you for your consideration. I am looking forward to your early reply.

Yours sincerely,

LiHua