But before I do that, I need to talk to you about synthetic materials like plastics, which require huge amounts of energy to create and, because of their disposal issues, are slowly poisoning our planet.
但在这之前， 我需要告诉你像塑料这样的花费巨大的 人力物力来制造的合成材料， 因为它们存在的废弃处理问题， 正在逐渐毒害我们的地球。