2. Books to be used should be arranged by size, such as A4 size and B5 size, or stacked by category, such as math books next to math exercise books, which saves time. Or fold them in the order needed for class. The first section is Chinese and the second section is math, so you can put the Chinese book in front, the math book in the back, and so on.
3. You can make full use of the inner interlayer of the schoolbag, and you can put a layer of books and another layer of paper in the folder, and other items such as paper towels, food, mobile phones, glasses cases, etc. So as to avoid multiple mixed placement.
4. How to put it comfortably and how to put it can improve your efficiency.