1, this exam is not an ordinary quiz, but a graduation exam.

It's not that I don't study hard, but that I didn't look at the questions carefully in this exam.

Failure is not your own fault, but seeing the difficulties too clearly.

It's not that I don't like you, but that we are all too young and we have no future.

5. Learning is not superficial understanding or cognition, but an attitude of why to understand and verify, and even to draw new conclusions.