集市交换,一般有定期,而且集中在某一地点,范围不广,不能适应交换日益频繁的需要。于是就有走街串巷的必要。《诗经》中的“诗”。大多作于周初到春秋末,即从周公到孔子约600年间的一个时代,也就是从奴隶社会过渡到封建社会的一个时代,其中《卫风·氓》篇中的“抱布贸丝”据余冠英的《诗经选 Fair market exchanges are generally regular and concentrated in a certain location. The scope is not wide enough to accommodate the increasingly frequent exchanges. So there is a need to go down the street. The “Poetry” in The Book of Songs. Most of them were from the beginning of the week to the end of the Spring and Autumn Period, that is, an era from Zhougong to Confucius about 600 years ago, that is, an era from the transition from a slave society to a feudal society. According to Yu Guanying’s Selected Poems