For his first trip, he went hiking with a friend around the M25—a 188-kilometre road that goes all the way around London.

他的第一次旅行是和他的一个朋友徒步 M25 高速公路，这是一条长达188公里的伦敦外环公路。

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After about a kilometre, a stranger appeared in front of me. "Am I going the right way?"

大约走了一公里之后，一个陌生人出现在我面前。我走对路了吗？我问他知道我要到哪里去。

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For example, public transport is expensive: a one-way ten-kilometre (six-mile) train ride from suburban Oslo into the city costs NKr26, which is twice as much as the road toll.

ECONOMIST: Excessive

Taxis are another cheap way to get around, with a 90p flagfall then 60p per kilometre.

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