国家大事

例句：

1. 1. The country's economy is recovering from the recession.
   该国经济正在从衰退中恢复。
2. 2. The government has announced a new policy to improve the national education system.
   政府宣布了一项新的政策，以改善国家教育系统。
3. 3. The national flag is flown at all times of national holidays.
   国家节日期间，国旗一直飘扬。