19. Should governments spend more money on improving roads and highways, or should governments spend more money on improving public transportation (buses, trains, subways)? Why? Use specific reasons and details to develop your essay.
偶觉得好像不对。 public transportation:指公共交通运输工具 1American English a system or method for carrying passengers or goods from one place to another The city needs to improve its public transportation (=buses, trains etc) . People need to get out of their cars and use other modes of transportation. 另看题目亦有注解。
roads and highways指的是市内的公路和城镇间的高速公路 Highway: especially American English a wide main road that joins one town to another