translation.en: 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.
translation.zh: 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。