对于我们城市的每个人来说，从早上6:30到晚上10:30，约有42条公交线路运行。但我们发现25%的人更喜欢骑自行车或步行外出。
As for everyone in our city, there are about 42 bus lines running from 6:30 a. m. to 10:30 p. m. We found that twenty five percent prefer to go outside by bike or on foot.
尽管各个城市都在像蜘蛛网一样扩张地铁交通网络，要想新线路抵达城市的每个角落成本非常昂贵。
Although cities are stretching their underground transportation networks like spiderwebs, new lines are too costly to reach every corner of the city.
大多数城市的地铁线路运行到周一早晨。
Most of the city's subway lines were running by Monday morning.
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