urban bus transport

例句：

1. 1. The city is bustling with life and energy.
   这个城市充满了生活和活力。
2. 2. The city's skyline is a sight to behold.
   这座城市的天际线是令人惊叹的景象。
3. 3. The urban planners have been working tirelessly to improve the quality of life for its residents.
   城市规划者一直在努力工作，以提高居民的生活质量。