economic model的用法和样例：
例句
- 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。 - 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。 - China is already a pioneer in building this new economic model.
中国已经成为建设这种新的经济模式的先锋。 - An economic model for valuing stocks by relating risk and expected return.
通过相关风险和预期回报来确定股票价值的经济模式。
