A:Oh,very good.B:Yeah,This theme represents a central concern of the international community for future policy making, urban strategies and sustainable development.B: Understand?A:Sorry,please tell me more.B:OK.You know, In 1800, 2% of the global population lived in cities. In 1950, the figure raised to 29%, in 2000, almost half the world population moved into cities, and by 2010, as estimated by the United Nations, the urban population will account for 55% of the total human population. A:Yes,you're right.B:So,the quest for a better life has run through the urban history of mankind. And to our country,through different sub-themes, Expo 2010 will create blueprints for future cities and harmonious urban life styles, providing an extraordinary educational and entertaining platform for visitors of all nations.A:Different sud-themes?B:Yeah, Blending of diverse cultures in the city
Economic prosperity in the city
Innovations of science and technology in the city
Remodelling of communities in the city
Interactions between urban and rural areas
A: Wow,it's wonderful.A:And I believe that the World Exposition in Shanghai in 2010 will be successful!B:Me too.A:Now I understand.Thank you.B:You're welcome. 這是有關世博會主題涵義的介紹，沒有翻譯。如有需要，我可以幫妳翻譯壹下，不過會有點慢。呵呵，不翻譯的話，我再幫妳找找其他素材。