Teacher, how do I solve this problem?
Textbooks and bamboo sticks tucked under arms
Hands always covered with chalk dust and red ink
That old thermos cup with peeling paint
There are also "classic quotes" imitated by the whole class
......
Can these familiar "signs" evoke your memories of your mentors? Are those exhortations, nagging, and expectations flashing through your mind again? Anyway, the editor is immersed in memories~