Combining slow freight and fast passenger trains is complicated.

把慢速货物列车和快速客运列车放在一起营运将使调配工作相当复杂。

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We are, however, nearing the end of the inventory cycle and would expect freight growth to slow down over the rest of the year.

但我们正接近全球库存周期的末尾，在今年余下的时期内，货运增长将放缓。

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Although freight on passenger planes are screened, freight on cargo planes are usually not, in part because it would slow delivery times.

尽管客运飞机上的货物也被监察，然而通常货运飞机上的货物并没有处在监察范围之内，部分原因是由于这样做会降低运输次数。

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Freight trains may be slow and inflexible, but they are capable of carrying huge loads.

ECONOMIST: A better way to fly

And thus the spectacle of slow cross-country trains that should have been allowed to die when Amtrak took over from the freight railroads in 1971 but continue to roll at the cost of vast subsidies with little or no public benefit.

CENTERFORSECURITYPOLICY: Not a model railroad