The railroads, with their fragile iron rails, their little wheezy locomotives, their wooden bridges, their unheated coaches, and their kerosene lamps, fairly typified the prevailing frontier business and economic organization.
铁路以其脆弱的铁轨、发出喘息声的小机车、木桥、不加热的客车和煤油灯,相当典型地代表了当时流行的边疆商业和经济组织。