The railway involves a natural monopoly: the only other way of getting to the ruins is a four-day hike along the Inca Trail.
这条铁路与自然垄断有关︰其他到达马丘比丘遗址的唯一方式，就是沿着印加小径徒步旅行四天。
These ideas have played a positive role in the aspects of breaking monopoly and introducing competition in the railway industry.
这些构思在打破铁路行业垄断、引入竞争方面起到了积极的作用。
These ideas have played a positive role in the aspects of breaking monopoly and introducing competition in the railway industry.
这些构思在打破铁路行业垄断、引入竞争方面起到了积极的作用。
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