That figure may be too alarmist: there are signs that urban factories are running out of migrant labour, and reports that bad working and living conditions in some cities are deterring the rural poor.

• 这一数字或许太危言耸听：有迹象表明，城市里的工厂正缺少劳力，也有报道称一些城市恶劣的工作和生活条件让农村的穷人很泄气。