公文格

例句：

1. 1. The government issued a new set of regulations to regulate the industry.
   政府发布了新的法规来规范该行业。
2. 2. The official document was signed by the president and the prime minister.
   官方文件是由总统和总理签署的。
3. 3. The official report revealed that the accident was caused by human error.
   官方报告揭露了事故是由于人为错误造成的。