balance of payments surplus

例句：

1. 1. The country's balance of payments surplus has been a source of pride for the government.
   该国的国际收支盈余一直是政府引以为豪的。
2. 2.The surplus is expected to be used to fund infrastructure projects.
   预计盈余将被用来资助基础设施项目。
3. 3. The surplus has allowed the country to maintain its current exchange rate.
   盈余使得国家能够维持当前的汇率。