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y and other developmentrelated problems so as to better manage challenges posed by globalization. The two sides place particular emphasis on peace and security, the fight against HIV/AIDS and sustainable development in Africa and give their full support to African countries in their efforts to reach the Millennium Development Goals. More practice ? The trade and economic relationship between China and the United States has developed during the 20year period, especially since the 1980s, due to the mutual efforts of both sides. Through official and nonofficial channels a cooperative relationship has been established in various fields. Trade, economic and technological exchanges, loans and nopaid capital cooperation all have been established smoothly. More practice ? Mr. President, ladies and gentlemen, I would like to begin by sincerely thanking President Summers for his kind invitation. Harvard is a world famous institution of higher learning, attracting the best minds and bringing them up generation after generation. In its 367 years of history, Harvard has produced seven American presidents and more than 40 Nobel Laureates. You have reason to be proud of your university. It is my great pleasure today to stand on your rostrum and have this facetoface exchange with you. More practice ? The workteam system plays an increasingly important role in large US anizations. It places a new importance on the relationship of team members. In fact, emphasis on teamwork has long bee the most frequently valued managerial petence. About half the Fortune 500 panies say they are using selfmanaged workteams and expert to expand their use in ing years. More practice More practice 演講完畢,謝謝觀看!