Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges.
因为商队只能通过水路和山脉进入沙漠,贸易就成为了中东城市的主要经济支柱。
2
They had access to urban merchants, markets, and trade routes.
他们有机会接触到城市商人、市场和贸易路线。
3
Long-distance trade in obsidian probably gave the elite residents of Teotihuacán access to a wide variety of exotic good, as well as a relatively prosperous life.