凯恩斯

例句：

1. 1. The Keynesian approach to economics emphasizes the role of government in stimulating economic growth.
   凯恩斯主义经济学强调政府在刺激经济增长中的作用。
2. 2. The Keynesian theory suggests that governments should intervene to stabilize the economy during times of crisis.
   凯恩斯理论认为，政府应该在危机时期干预经济以稳定经济。
3. 3. The Keynesian model is widely used in macroeconomic analysis and policy formulation.
   凯恩斯模型在宏观经济分析和政策制定中被广泛使用。