But without clear-cut data from the plane "s cockpit-voice or flight-data recorders, it may be hard for investigators to conclusively back up pilot assertions or precisely determine what happened."

但在没有来自舱音或飞行数据记录器的明确资料的情况下，调查人员或许很难鲜明地支持飞行员的说法，或者是准确界定当时发生的情况。

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And its revenues could be hit hard as many of the big overseas markets, such as Argentina and Brazil, get crushed and its U. S. consumers increasingly cut back on spending.

许多巨大的海外市场的缩减，如阿根廷、巴西等地，以及美国消费者不断压缩开支都会使雅芳的利润受到极大影响。

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But without clear-cut data from the plane's cockpit-voice or flight-data recorders, it may be hard for investigators to conclusively back up pilot assertions or precisely determine what happened.

但在没有来自舱音或飞行数据记录器的明确资料的情况下，调查人员或许很难鲜明地支持飞行员的说法，或者是准确界定当时发生的情况。达美航空和全国运输安全委员会的发言人都拒绝置评。

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