求翻译：在充满发展机遇的背后，公司同样面临较大挑战：一是世界经济复苏进程并不平稳，全球航空业能否持续复苏依然存在不确定性；二是周边枢纽机场及是什么意思？

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In the fill development opportunity behind, the company faces similarly challenges greatly: One is the world economics anabiosis advancement is not steady, whether does the global aviation industry recover continually still has the uncertainty; Two is the peripheral key position airport and

In a development opportunity behind, the company also face greater challenges: one is the recovery process is not smooth, the global airline industry uncertainty about the sustainability of recovery remains second peripheral hub airports and

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