- something that is in the public domain is available for everyone to use or to discuss and is not secret（用于不受版权保护的财产）公有领域，公有产业
- The information has been placed in the public domain.这资料不受版权保护。🔊🔊
- public domain software无版权软件
- Sensitive information should not be released into the public domain.敏感信息不应该对公有领域开放。