And I say, "Well, that's very complex, and we'll have to spend four hours talking about what exactly an eco-material means, because everything at some point comes from nature, and it's how you use the material that dictates the environmental impact.
我说，"好吧，但那是非常复杂的， 我们要花四个小时讨论 生态材料到底意味着什么， 因为从某种程度上说， 一切都来自于自然， 而我们使用这些原材料的方式 决定了对环境的影响。