正式抄本

例句：

1. 1. The official copy of the document was sent to the president's office.
   这份文件的正式副本已发送给总统办公室。
2. 2. The official copy of the report has been sent to the government for review.
   报告的正式副本已经发送给政府进行审查。
3. 3. The official copy of the agreement was sealed with a red seal.
   协议的正式副本被红色封印密封。