绝版

例句：

1. 1. The book is out of print and can no longer be purchased.
   这本书已经绝版，无法购买。
2. 2. Many classic works are now considered obsolete due to technological advancements.
   由于技术进步，许多经典作品现在被认为是过时的。
3. 3. The artist's work has been deemed defunct by many collectors.
   这位艺术家的作品被许多收藏家认为是已废弃的。