塞纳河及其支流构成了法国主要的商业运输水路。

Seine River and its branches form the chief commercial waterway of France.

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塞纳河及其支流构成了法国主要的商业运输水路。

River and its branches form the chief commercial waterway of France.

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中国约有12.3万公里可通航的河道，其中6.1万公里为商业运输航道。

China has 123,000 km of navigable waterways, of which 61,000 km are officially classified for commercial navigation purposes.

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It's the time in which but it's the time in which long distance commerce began to take hold, because of transportation revolutions: canals, roads, railroads in particular.

它是一个时期,这是一个远距离商业开始产生影响的时代,主要原因便是运输方式的革新,运河,公路,特别是铁路

耶鲁公开课 - 美国内战与重建课程节选

It was the romantic--and by the way, about 3,300 miles of such canals would be built by the middle of the 1850s, all for the purpose of commerce, and to move people.

顺便说下,这是多么浪漫的事,在五十年代中期,为了商业运输和劳力流通,而建造的这类运河总长达3300英里

耶鲁公开课 - 美国内战与重建课程节选