但是，修复这条铁路线不是唯一的问题。

But repairing the line is not its only problem.

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修复通勤铁路的苦难可能提供更大的利益，以车手在建设大规模的高速网络。

Repairing the suffering commuter rails might provider greater benefit to riders over building a massive high speed network.

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满洲地区的解放军并没有坐等好几个星期，修复铁路，筹办军需，而是立即徒步行军，南下进关。

Instead of waiting many weeks to repair the railways and amass supplies, General Lin Piao immediately dispatched his soldiers on foot through the Great Wall and south into China proper.

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