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挖金矿不一定要去深山,21世纪的金属资源就在我们身边的废旧金属里,获取这些资源比从矿山开采更容易,成本也更低,而且也更适合普通创业者。
Gold digging is not necessarily going to the deep mountains. In the 21st century, the metal resources are in the scrap metals around us. It is easier and cheaper to mine these resources than mines, and it is more suitable for ordinary entrepreneurs.