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常在野外走的朋友,登山包上永远都不会少一捆绳索,这种最简单,却又是伴随人类文明发展最长久的小物件,即使在今天也依旧是人类不可或缺的工具之一。
Often the friends who walk in the wild will never have less of a bundle of ropes on their mountaineering bags. The simplest, but most small object with the longest history of human civilization is still an indispensable tool for mankind today one.