In order to conclusively decide on an appropriate pattern, we need to explore the catalog of patterns for e-business a bit deeper using our stated requirements as a guide.

为了最终确定一个适当的模式，我们需要用我们所述的需求作为向导更深入地研究电子商务模式的目录。

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But without clear-cut data from the plane's cockpit-voice or flight-data recorders, it may be hard because investigators to conclusively behind up pilot assertions or precisely decide 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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