Cultural norms are a constant obstacle. Abhijit Banerjee of the Massachusetts Institute of Technology quotes George Orwell's "Road to WiganPier" on the British working class.
文化准则是永恒的障碍，曼彻斯特科技大学的Abhijit Banerjee援引自george or well的《通往维根码头之路》关于英国工薪阶层的描述。