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从外卖到打车...
source link: https://news.cnblogs.com/n/591452/
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来源/格竹集如果你是原始人，没有自然科学知识，如何分类蝙蝠、猫头鹰、海豹和企鹅？“会飞的”、“会游泳的”各一类：但在19世纪博物学家看来，你的视线只停于表象，没触及问题本质。你剥离多少层表象，就能发现...
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