circulation economic type

• 循环经济模式

circulation economic type的用法和样例：

例句

1. 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。
2. 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。