单本位制的

例句：

1. 1. The country has adopted a single-currency system to improve economic efficiency.
   该国采用了单一货币制度以提高经济效率。
2. 2. The adoption of a single-currency system is expected to boost trade and commerce.
   采用单一货币制度预计将促进贸易和商业的发展。
3. 3. The government has announced that it will gradually phase out the use of multiple currencies in favor of a single-currency system.
   政府宣布将逐步淘汰使用多种货币，转而采用单一货币制度。