1. There are lots of reasons for this disparity, but the tendency of Americans to live miles from their workplaces is a big one. �����һ�����ԭ��ܶ࣬��������������ϲ��ס�ھ���칫����Զ�ĵط�������һ��ԭ��
2. Regional disparity also exists, with some areas reporting a ratio of 100 to 138, such as southern China's Guangdong and Hainan provinces. �����IJ���ͬ�����ڡ��ݱ�����һЩ�������Ա������138��100�������й��ϲ��Ĺ㶫�ͺ��ϡ�
3. The new liberalism provides the theory basis for the polarization, the expanded society disparity, and becomes "the closure public sphere power". ������������Ϊ�����ֻ�������������ṩ�������ݵ�ͬʱ��Ҳ��Ϊ���رչ����ԵĶ�������