The research on these elements and the principles of theconstitution of which are the preconditions of the designing for aCommercial Pedestrian Street. 对上诉各因素的组合及构成原则等方面的认识和研究是商业步行街设计的基本前提。
There would usually be a pedestrian street where people busked and they would become quite established. 通常会有一条步行街，人们聚集在那里表演街头艺术，并会变得小有名气。
