当莱特兄弟在1903年发明飞机时,很难想象在今天的任何时候都会有超过50万人乘坐飞机。2008年,中本聪发明了比特币和区块链。在历史上,他的发明第一次使在没有银行、政府或任何其他中介的情况下在全球范围内汇款成为可能。中本聪是一个神秘人物,就像莱特兄弟一样,他解决了一个无法解决的问题。区块链的概念并不是很直观。但仍有许多人相信它会改变游戏规则。尽管区块链的起源很神秘,但它可能是我们这个时代的飞机。M[展开全部]
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Celebrates the remarkable comeback of one of the world's most iconic animals. Tiger populations have rebounded so successfully, many of the big cats are venturing from India's forest reserves into farms and villages-a monumental challenge for both people and animals. The heroes in this story are the vets, scientists, and community patrols dedicated to ensuring that tigers and people can coexist.
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更多Celebrates the remarkable comeback of one of the world's most iconic animals. Tiger populations have rebounded so successfully, many of the big cats are venturing from India's forest reserves into farms and villages-a monumental challenge for both people and animals. The heroes in this story are the vets, scientists, and community patrols dedicated to ensuring that tigers and people can coexist.