公告 gōnggào post
post; announcement
How to remember 公告: 公 public + 告 to tell = post.
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How it is used
- An official public notice or bulletin - 发布公告 (fābù gōnggào) issue an announcement.
- More formal and public-facing than 通知 (tōngzhī, a notice/notification to specific people): a 公告 is posted openly, often by a company, court, or government.