在前不久举办的“WTO与中国民族产业高级论坛”上，北大经济学院副院长、著名经济学家刘伟教授认为，加入WTO长期内必然起到促进经济发展的巨大作用，但短期内带来的商机并不大，大家应做好面临三大挑战的准备。　　第一，可能增大改革的难度。现在国家的两大目标是西部开发和 In the “WTO and China National Industry Forum” held shortly ago, Professor Liu Wei, associate economist and vice president of Peking University School of Economics, believes that WTO accession will surely play a significant role in promoting economic development in the long run. However, in the short term, The business opportunities you come to are not large, and everyone should be well prepared to face the three major challenges. First, it may increase the difficulty of the reform. At present, the two major goals of the country are to develop the western region