Improved relations with employees could not save the company from entering bankruptcy in September 2005, however, when surging fuel costs helped to tip Delta over the edge.

燃油成本飙升让德尔塔在破产边缘垂死挣扎，劳资关系虽然得到了改善，公司并未因此获救，反而于2005年9月选择破产。

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But that looks set to change, with a harder edge entering the rhetoric of student leaders as they face much higher fees.

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Risk-tolerant businesses such as Fan Duel have already gained a financial edge by entering into a market with great legal uncertainty.

FORBES: Move up http://i.forbesimg.com t Move down

Philip John, the technical director of the project, says the version used on Demon has the compressed air entering a single chamber within a wing's trailing edge.

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