①突破了空间和时间的限制,城郊和乡村出现出了“市”
②设立了“草市尉”
③商业活动不再受到官吏的直接监管
④邸店、车坊、会馆兴隆
—Look! How _________ the market is!—Yes. There are always lots of people buying things there.
线段、角、三角形、圆中,其中轴对称图形有 ____个.