雅思口语Part 3：马路，是城市的掌纹
本期重点词汇和表达：private cars 私家车public transport 公共交通cycling lanes 自行车道long‑range needs 长途出行需求daily commuting 日常通勤cleaner vehicle types 更环保的车型cut harmful emissions 减少有害排放urban transportation systems 城市交通系统flexible travel 灵活出行fixed public‑transport timetables 固定的公共交通时刻表更多内容，关注公众号《Yolo雅思》获取每日英文原稿+中文翻译
The skinny
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