Zhang Fan liked to follow his uncle around when he was little.,Room 504 was a gathering place for gamblers. When Zhang Fan knocked on the door, a voice inside shouted at him, "Dealer, you've been slacking off lately. If you don't come soon, I'll starve to death. Hurry up, two packs of braised meat and two eggs.",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!。