His hair was greasy and unkempt, clearly days overdue for a wash. His clothes were also filthy and patched in several places, with visible tears sewn together.,Now a permanent 28-inch reinforced bicycle costs only 180 yuan, a Shanghai brand 160-type radio costs 140 yuan, and with more than two thousand yuan, you can buy a small Siheyuan courtyard house in Beijing.,The central courtyard is the largest, with the most residents, and it's clearly the most lively.。