out of copyright
成語所屬單字copyright
out of copyright — 慣用語
1. No longer protected by copyright law, usually because the term of protection has
1.慣用語
釋義
不受版權保護；超過版權期限
No longer protected by copyright law, usually because the term of protection has expired; therefore free for anyone to use or reproduce.
例句
The museum published images of the painting online because it had fallen out of copyright.