Richmond, Atlanta and Chicago grew rapidly as they became central to the evolving transportation and manufacturing systems. 里士满、亚特兰大和芝加哥很快就成了交通枢纽和制造业中心,城市规模也迅速扩大。 grower[?gr?u?]n.种植商 Colombian coffee growers’livelihood is under threat. 哥伦比亚咖啡种植者的生计...