What opportunities will China obtain as a member of the WTO.And what challenges does China face?

It is wellknow that china has entered into the world trade organization,namely WTO.It is one of the biggist organizations in the field of economy and trade.Since china has an very important role in the international events ,china's entry into the WTO has been focused by the whole world .
As a member of the WTO ,China will gain more opportunities than befor .Since from China's opening and reform policy,this contry has achieved great success ,especially in the field of economy.Through WTO ,China could get some favourable policy from this numorous organizaton like the most favoured nation（MFN）,which will reduce many chinese merchants' cost!
As for the challenges,it can't be denied that China will have to fave them in that China is new to WTO .so there are still some rules with which china are not familiar.On the other hand ,some developed contries stll keep catious attitude to our country.
But the main thing is China will enlarge its foreign trade and have wider channel to communicate with other countries .Through WTo ,we will have chance to learn from developed countries ,especiall their advanced science and technology.By that ,We can enchance our country's power.