民族国家

例句：

1. 1. The nation'seconomy is growing rapidly.
   该国经济正在迅速增长。
2. 2. The government has announced plans to improvethe national infrastructure.
   政府宣布了改善国家基础设施的计划。
3. 3. The country's leaders arediscussing ways to promote cultural diversity.
   该国领导人正在讨论促进文化多样性的方法。