平装书

例句：

1. 1. I bought a new book in the paperback edition.
   我买了一本新的平装书。
2. 2. The library has a large collection of classic paperback books.
   图书馆收藏了大量的经典平装书。
3. 3. She prefers reading paperback novels to her hardcover counterparts.
   她更喜欢阅读平装小说，而不是硬封面的小说。