书套

例句：

1. 1. The book is well-bound and sturdy.
   这本书装订得很好，很结实。
2. 2. The author's jacket isa popular choice for many readers.
   作者的外套是许多读者的热门选择。
3. 3. Thebinding of the book is strong and durable.
   这本书的装订牢固耐用。