To keep costs low, flights are usually based at smaller, more remote airports.

为了控制成本，这类航班通常都停在较小的，且较远的机场。

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But analysts also questioned whether building numerous small airports in more remote areas was the best way to improve efficiency in the industry.

但分析人士还质疑，在偏远地区建立众多小型机场是否是改善该行业效率的最佳方法。

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