page margin

例句：

1. 1. The book has a generous page margin for notes and drawings.
   这本书有充足的页边距供笔记和绘图。
2. 2.The designer added a subtle page margin to the design to enhance readability.
   设计师在设计中添加了微妙的页边距，以增强可读性。
3. 3.The teacher asked the students to pay attention to the page margin while reading the text.
   老师要求学生们在阅读文本时注意页边距。