economic time series

例句：

1. 1. The government's economic policies have had a significant impact on the country's growth.
   政府的经济发展政策对国家的增长产生了重大影响。
2. 2.The company's financial report revealed some unexpected losses.
   公司的财务报告揭示了一些意外的损失。
3. 3.Fiscal policy is often used to stimulate economic growth.
   财政政策通常用于刺激经济增长。