However, a law in the 19th century forced railway companies to run one cheap train a day which stopped at every station and cost only a penny a mile.
然而，19世纪的一项法律强制铁路公司每天开一趟便宜的火车，这种火车在每个车站都停，每英里只花一便士。
For someone just starting to train for a 5k, this might be 1 mile on Tuesday, 2 miles on Thursday, 1 mile on Friday and 3 miles on Sunday.
对一个刚开始练习跑5公里的人来说，可能对应为周二1英里，周四2英里，周五1英里，周日3英里。
If your runs are presently in the three-mile range, you will not be ready to run a marathon two months down the road. On the other hand, you will have adequate time to train for a 10k.
如果你目前只能跑3英里以内，那你很难在两个月内做好准备到公路上跑马拉松，相反，现在你倒是有充分的时间来训练10公里。
China transports an average of 7.6 million passengers per kilometer (about 12 million per mile) of a train route, almost six times the world average.
中国每公里铁路平均运送760万乘客(约1200万每英里——美国使用英里)，六倍于世界平均水平。
This Pasadena, Calif. -based company is aiming to solve the last-mile problem—a term that refers to the gap from home to train or bus that many public transit users face.
这家公司的总部设在加州帕萨迪纳，它要解决的是最后一公里问题，也就是许多公共交通乘客从家到车站的这段距离。
This Pasadena, Calif. -based company is aiming to solve the last-mile problem—a term that refers to the gap from home to train or bus that many public transit users face.
这家公司的总部设在加州帕萨迪纳，它要解决的是最后一公里问题，也就是许多公共交通乘客从家到车站的这段距离。
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