based on the survey of Dongguan based on the survey of Jiangsu province based on the study of Tianjin based on the study of Wen Shi based on the survey in five cities based on the story by Jon Katz based on the view of ideology based on the case of Fuzhou Fujian based on the theory of value chain 农民工消费行为影响因素研究:以东莞为例:based on the survey of Dongguan