middle-income country

• 中等收入国家

middle-income country的用法和样例：

例句

1. The IBRD focuses on middle income and creditworthy poor countries, while IDA focuses on the poorest countries in the world.
   国际复兴开发银行侧重帮助中等收入国家和信誉良好的贫困国家，而国际开发协会则侧重帮助世界上最贫困的国家。