国务

例句：

1. 1. The president is deeply involved in the national affairs.
   总统非常关注国家事务。
2. 2. He has been working on the government affairs for many years.
   他已经在政府事务上工作了很多年。
3. 3. The country's foreign policy is a matter of great national interest.
   该国的外交政策是一个重要的国家利益。