translation.en: Another consequence of metals being so easy to recycle by humans is that a lot of our stuff from the developed world -- and sadly to say, particularly from the United States, where we don't have any recycling policies in place like here in Europe -- finds its way to developing countries for low-cost recycling.
translation.zh: 金属可以被人类如此方便回收的另一个原因是 许多原料都是来自发达国家-- 遗憾的说，大多来自美国 我们美国并没有任何像欧洲这边的相关回收政策-- 寻求发展中国家的 低成本回收