30年意味着什么北京市城市规划设计研究院建院到现在的30年里,城市的变化幅度超过了以往的300年。这个变化涉及城市面貌、经济社会、空间结构的方方面面,足以让离乡多年的人感觉故乡就是异乡,回家的意义就是意识到家早已失去。站在1986年往前看,30年后的事情如慢性子的乌龟,慢得可以让人安心地和兔子一起倒 30 years mean what Beijing Institute of Urban Planning and Design Institute to the present 30 years, the change in the city more than the previous 300 years. This change involves all aspects of urban landscape, economic society and spatial structure. It is enough for people who have left for many years to feel that their hometown is a foreign land. The meaning of going home is to realize that the home has long been lost. Looking forward in 1986, things like 30 years later, like the slow turtles, are slow enough to reassure rabbits