In the world today the gap between the rich and the poor becomes wider and wider. Social and economic growth in many developing countries is slow,and one-third of the population in developing countries still live below the poverty line.

• 现在，世界上贫富之间的差距愈来愈大，许多发展中国家社会经济发展缓慢，发展中国家人口的三分之一仍然生活在贫困线以下。