Zhang Fan didn't go there to rely on luck, he had a unique skill.,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!,Even going to the county hospital required connections, and it took about half a year or even longer to make arrangements. Zhang Fan couldn't even afford tuition, so where would he find connections。