论文部分内容阅读
到2000年,地球上半数以上的人口将栖身于城市。这意味着三十多亿人将会在拥挤的城市中失去立锥之所,人们对将来的城市问题深感忧虑。
By the year 2000, more than half of the world’s population will be living in cities. This means that over 3 billion people will lose their place in crowded cities and people are deeply worried about future urban issues.