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　　作文：

　　issue ： As we acquire more knowledge, things do not become more comprehensible, but more complex and more mysterious.知识让我们越来complex还是comprehensible

　　argument： The following appeared as part of an article in a business magazine.

　　A recent study rating 300 male and female advertising executives according to the average number of hours they sleep per night showed an association between the amount of sleep the executives need and the success of their firms. Of the advertising firms studied, those whose executives reported needing no more than six hours of sleep per night had higher profit margins and faster growth. On the basis of this study, we recommend that businesses hire only people who need less than six hours of sleep per night.