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此人的外套口袋里没有卧铺车票,按常理,乘客不可能将它放到内衣里面。看来他穿着另一件外套,已在中途下车溜走了。
This person’s jacket pocket sleeper ticket, according to common sense, passengers can not put it inside the underwear. It appears that he was wearing another coat and had slipped off midway.