developing countries' rate

例句：

1. 1. Thedeveloping countries' rate of economic growth isa key indicator of global development.
   发展中国家的经济增长率是衡量全球发展的关键指标。
2. 2. The developingcountries' rate of poverty reduction has beena major focus of the international community.
   发展中国家减少贫困的比率一直是国际社会的重点关注。
3. 3. Thedeveloping countries' rate of urbanization isa critical factor in determining future economic growth.
   发展中国家城市化的比率是决定未来经济增长的关键因素。