main street
noun
1- the principal street of a town中心商业街, 大街, 主街。
1.1
Main Street
chiefly US used in reference to the materialism, mediocrity, or parochialism regarded as typical of small-town life〈主美〉小城镇心态（指实利主义、平庸或狭隘的心理状态）。- ORIGIN: from the title of a novel (1920) by Sinclair Lewis.