His research reveals numerous mysteries: the so-called "blue north, green south" phenomenon is most evident on the city / county level and above, but in the townships and villages, blue and green areas are more mixed together.
他的研究透露了不少玄機：一般所謂的「北藍南綠」現象，只有在縣市以上的尺度才明顯存在，在鄉鎮與村里的尺度上，藍綠其實是雜處共生、相互滲透的。