胡同,在我的思维判断中,是农业文明向都市文明过渡的甬道。也许由于这种过渡的艰难和漫长,也许由于地域的辽阔和文化的差异,在中国古老的典籍中间,对胡同留下了众多的称谓:弄堂、坊间、街坊、里弄、里巷、巷于……战国时代,二十五户为一闾,故称胡同为间巷,而隘巷、横巷、陋巷、 Hutong, in my judgment, is the corridor of the transition from agricultural civilization to urban civilization. Perhaps because of this difficult and long transition, perhaps due to its vast territory and cultural differences, many alleyways have been left behind in ancient Chinese books: alleyways, squares, neighbors, alleyways and alleyways. Warring States period, twenty-five as a village, it said the alley is the alley, and pass, alley, alley,