TAG:交通, street, 城市环境, 汽车, pedestrian, 行人, 街道, bicycle, transportation, car, 自行车, urban_environment → 交通_街道_城市环境声
TAG:繁华, 喧嚣, street, 行人, 交通, urban_environment, 城市环境, transportation, vehicle, noisy, 车辆, 街道, busy, pedestrian → 繁华_街道_车声
TAG: transportation, 行人, noise, 都市生活, busy, 噪音, 城市环境, 交通, street, vehicle, 车辆, urban_environment, pedestrian, 繁忙, urban_life, 街道 → 街道_车辆_引擎声