走路的目的不是寻找朋友,而是享受孤独,因为孤独也可以享受,像面包和光线一样。为什么人类直立行走,这个问题看起来简单,回答起来却很难。在远古时代,能够双足直立似乎具有明显的优势,但我们很少想到这么做有多么困难。达尔文曾经制作了一幅著名的人类从四足动物向双足直立行走的演变图,这幅图让行走看起来像自然的提升:首先开始弯曲脊背,上臂拖动,双足胆怯地碾碎地面的土块,然后慢慢伸直身体,盯着天空,开始计数星星和思考统治万物的上帝。但直立有什 The purpose of walking is not to find friends, but to enjoy loneliness, because loneliness can also enjoy, like bread and light. Why does humanity walk upright? This question looks simple and difficult to answer. In ancient times, it seemed obvious to have two feet upright, but we seldom thought how difficult it was to do so. Darwin used to make a famous evolution of a human being that walked upright from quadruped to two-legged, a move that looks like a natural boost: first start bending the spine, dragging your upper arm, feet timidly crushing the ground And slowly straighten your body, staring at the sky, counting the stars and thinking God who rules everything. But upright