dual economic model

• 二元经济模型

dual economic model的用法和样例：

例句

1. Economic models often lead to the study of systems of equations.
   经济模型经常导致对方程组的研究。
2. However, an economic model is not an accurate blueprint but an analytical simile.
   然而，经济模型不是一幅准确的蓝图，而是一个分析的明喻。