And we know that eco-industrial business, these kinds of business models -- there's a model in Europe called the eco-industrial park, where either the waste of one company is the raw material for another, or you use recycled materials to make goods that you can actually use and sell.
大家知道，在生态工业的运作模式中- 有这样一种模式，它在欧洲被称为生态工业园区。 在这里，你既可以把一家公司的废物交给另一家公司做原料， 也可以把材料回收利用 生产出新的商品。