eunomy

例句：

1. 1. The government's new policy aims to improve the economy.
   政府的新政旨在改善经济。
2. 2.Economic growth is a key factor in determining a country's prosperity.
   经济增长是决定一个国家繁荣的关键因素。
3. 3. Economists study how economies grow and change over time.
   经济学家研究经济如何随时间增长和变化。