Zhang Fan spent his days working on construction sites and his nights posting ads for a real estate agent. After twenty days of hard work, he still lacked over two thousand yuan for his tuition fees.,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!。