铁路运输具有距离与规模两方面的经济性，铁路部门也一直把大批量中长途货物运输作为其目标市场。

Railway transport has both distance and scale economy, so the railway companies always regard large scale and long distance freight transport as their objective markets.

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尽管它听起来像是一种充满幻想色彩的大冒险，但超长距离的铁路运输的确是国际运输中重要的组成部分。

While it may seem like a fanciful adventure, extreme long distance rail service is an important piece of the international shipping Arsenal.

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长距离铁路运输与空运和海运的区别在于成本和速度。

Long distance rail cargo splits the difference between airplane and boat delivery in terms of price and speed.

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