求翻译：我是一个中国消费者，鞋子已经到中国，因为你们的失误发错鞋子，我在退回去需要承担很多不必要的费用，如果可以，这双错误的鞋我就留下来，只需要退还给我鞋子的差价就可以了，这么说听明白吗是什么意思？

I am a Chinese consumers, the shoes have been to China, sent to the wrong shoes for your mistakes, in returning to need to take a lot of unnecessary costs, and if you can, error pairs of shoes to stay, only need to return it to me the difference of the shoes can say quite understand.

I am a Chinese consumers, it has been to China, because of the mistakes you have made wrong shoes, I need to retract the shoulder a lot of unnecessary costs, if you can, and this double-error on the shoes I have left, only to be returned to the post on my shoes, so that you can hear that?

I was a Chinese consumer, the shoe already arrive China, because you lost the mis wrong shoe, I was drawing back need to bear very many nonessential expenses, if might, this double wrong shoes I remain down, only needed to return for me the shoe price difference may, such said understood what is hea

I am a Chinese consumer, shoes to China, because of your mistake the wrong shoes, I returned to the need to take a lot of unnecessary cost, if you can, the wrong pair of shoes I will stay, only returned to the post of my shoes is required to, so do understand

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