目的了解旅客列车上发生食物中毒的原因。
Objective To find out the cause of food-poisoning on a passenger train .
因天气原因，航班非正常延误广播旅客们请注意。
Irregularity Delay Due to Weather Indefinite Time May I have your attention please.
因天气原因，航班非正常延误广播旅客们请注意。
Irregularity Delay Due to Weather Indefinite Time May I have your attention please.
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