书边标目

例句：

1. 1. The book's edge is marked with a red ribbon.
   这本书的边缘用红丝带做了标记。
2. 2. The library has a special section for children's books at the back of the shelves.
   图书馆有专门的儿童书籍区域在书架后面。
3. 3. The author's name is written in the margin of the book.
   作者的名字写在书的边缘。