usucaption

例句：

1. 1. The book's usucaption is the main selling point.
   这本书的封面是其主要卖点。
2. 2. The artist decided to use a different usucaption for the new exhibition.
   艺术家决定为新的展览使用不同的封面。
3. 3. The movie poster was designed to capture the audience's attention with its unique usucaption.
   电影海报的设计旨在通过其独特的封面吸引观众的注意力。