1. The railroad industry as a whole, despite its brightening fortuning fortunes, still does not earn enough to cover the cost of the capital it must invest to keep up with its surging traffic.
从整体来说，虽然铁路工业有耀眼的资产，但它的收入仍然不足以支付为满足不断增长的运输需要而进行的固定资产投资。
2. The railroad industry as a whole, despite its brightening fortuning fortunes. still does not earn enough to cover the cost of the capital it must invest to keep up with its surging traffic.
参考译文：整个铁路业尽管形式很好，其收入仍不足以支付日益增加的运输需求而必须做的资本投入。
3. The railroad industry as a whole, despite its brightening fortuning fortunes.
参考译文：整个铁路业尽管形式很好，其收入仍不足以支付日益增加的运输需求而必须做的资本投入。