translation.en: Natural polymers, well ... I think that's what's most important, because these polymers have been tried and tested in our ecosystem for the last billion years, in everything from mushrooms to crustaceans.
translation.zh: 天然聚合物，我认为这是最最重要的， 因为这些聚合物已经在过去的10亿年里， 在我们的生态系统中经历过考验， 从蘑菇到甲壳类的任何生物。