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I suspect rather strongly that premodern people, too, experienced the physical world more acutely than I do, simply because my brain has been stewing in dopamine-spiking stimuli for four decades now, rarely pausing to touch the proverbial grass. Don’t get me wrong: I like the outdoors a lot. But my waking existence is spent mostly indoors in highly artificial spaces, whereas humans have typically spent the vast majority of their time outdoors in nature. Consider my ancestors, who, as best I can tell, were primarily illiterate peasants and smallhold farmers. They spent a significant proportion of their waking hours literally touching grass.，更多细节参见51吃瓜
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以下内容来自姚哲口述，经品牌棱镜编辑：
Local river defenders force U-turn by occupying grain terminal operated by one of US powerhouses of world trade，这一点在爱思助手下载最新版本中也有详细论述