“北京发明了多少种房子?从早期的房改房、外销商品房、央产房、军产房,到后来的经济适用房、廉租房、两限房,以及‘京七条’创造的‘自住型商品房’,至少有十七八种住房品种并存于北京普通商品房的体系之外。但这么多创造发明,却既没有遏止房价高涨的走势,也没有改变普通人住房 ”How many houses was invented in Beijing? From the early days of housing reform, export of commodity houses, central delivery houses, military housing to later affordable housing, low-cost housing, two-limit rooms, and ’ Commodity housing ’, at least 1778 kinds of housing co-exist in the ordinary commodity housing in Beijing outside the system, but so much to create the invention, but neither curb the trend of rising prices, nor change the average housing