我想在ebay买东西，我该怎么用英语表达这些问题？？？
单件商品是否有独立包装和原配的衣架？
商品是否是全新正品无瑕疵的？
发Royal Mail Airmail (Small Packets)到中国运费要多少？
收货地址用英文还是用中文填写？
如果收到货后发现有问题比如说有污渍，发错码了，有丢失怎么处理？？

Question

Answer

I tried to answer this, but your question is too long and complicated.  If you break your question down into many parts, and ask each separately, you will get some responses.  Effectively, you are asking for an essay.  Make it shorter, is my suggestion.