Answer:
if you will not manage your paper notes properly so then they will teer up or mix with each other. you can lost many of your paper notes. As cause you will not be able to study during your exams and your 番号 will come less. as reason is that it will cause you anger and you will get scolded from your teachers and mother father. they will be so disappointed from you.
that's why I always manage my notes properly.
