If tuition is not paid, the school will naturally not issue a graduation certificate.,Back in the early 2000s, food delivery wasn't as prevalent. Whenever there was a gambling game, Zhang Fan would carry instant noodles to sell. He knew which dormitory had gambling games at school.,More than four years as a street vendor has allowed Zhang Fan to experience the harshness of society prematurely. Almost every time he speaks, there is a careful smile on his face, a sad pre-emptive laugh!。