以福格尔为例，他在《铁路与美国经济的增长》的结论之处写的是“在1840～1890年的50年间，如果没有铁路，美国经济也会照样增长。”
With blessing riegl as an example, he in the railway with America's growth, "concluded the place of writing is" in 1840 ~ 1890 50 years, if no railway, the American economy would so growth.
如果没有这种路，在山顶上你也更容易被发现，甚至可以从山顶看到公路或者铁路。
If there are no trails, you are much easier to be seen on top of a hill, and you may even spot a highway, or a railroad from this point.
铁道部治下的高速铁路正被七月二十三号的列车相撞事故推到风口浪尖。如果没有上百名人的遇难，那么伤亡乘客人数就是数十人（死亡人数至今仍然不确定）。
The ministry runs the high-speed rail line that suffered a crash on July 23rd that killed dozens, if not hundreds, of passengers (the body count is still unclear).
更悲剧的是，如果提供给线路建设的联邦基金或者其他的财政支持枯竭，那么加州将拥有一条昂贵却没有目的地的铁路。
What's more, if federal and other funds for further construction dry up, California could end up with an expensive train to nowhere.
如果没有这种规则，那么即使铁路公司可以有效率地防止作物损失，它也就不会有防止损害的激励。
Without a liability rule, the railroad wouldn't have any incentive to prevent the damage if there was a cost-effective means of doing so.
大家想一想，如果没有公路，没有铁路，没有码头，没有机场，汽车、火车、轮船、飞机会怎么样？
Let's think, if no road, no railway, no port, no airport, what happen are the bus, the train, the plane and the ship?
大家想一想，如果没有公路，没有铁路，没有码头，没有机场，汽车、火车、轮船、飞机会怎么样？
Let's think, if no road, no railway, no port, no airport, what happen are the bus, the train, the plane and the ship?
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