我国经济的显著特征之一就是城乡二元经济。其基本表现就是城乡居民在经济上有很大的差距。对于城乡居民的经济差距,人们一般从横向角度观察,即同一年份城乡居民的经济差距有多大,而较少从纵向角度分析,即城乡居民的经济差距究竟有多少年?在此,笔者作些探讨。 One of the salient features of our economy is the dual economy in urban and rural areas. Its basic performance is that urban and rural residents have a big economic gap. For the economic gap between urban and rural residents, people generally observe from a horizontal perspective, that is, the same year the economic gap between urban and rural residents how much, but less from a longitudinal perspective that the economic gap between urban and rural residents exactly how many years? Here, I make some Discussion.