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习题链接：LeetCode 901. 股票价格跨度
，这一点在同城约会中也有详细论述
So Squire and his colleagues analysed everything they could see in Lucy's room: the bedspread, her outfits, her stuffed toys. Looking for any element which might help.
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.