For years, fishermen working in the treacherous waters off Alaska figured that they were as good as dead if they went overboard in bad conditions. Frigid water and big waves made survival for more than a few minutes unlikely. They didn't think that personal flotation devices could possibly improve their odds. They even abused the acronym, PFD: Person Found Dead.
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机译：多年以来，在阿拉斯加沿海危险水域工作的渔民们认为，如果在恶劣的条件下落水，他们的生命就好比死亡。寒冷的水和大浪使人们不可能存活超过几分钟。他们认为个人浮动装置不会提高赔率。他们甚至滥用了首字母缩写词PFD：Person Found Dead。
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