第9段
Recycling nonrenewable metallic resources takes much less energy, water, and other resources and produces much less pollution and environmental degradation than exploiting virgin metallic resources. Reusing such resources takes even less energy and other resources and produces less pollution and environmental degradation than recycling.
翻譯
回收不可更新的金屬资源比利用處女金屬资源採取较少能量、水和其他资源并且导致较少汙染和環境退化。 重複利用这样资源比回收採取不太能量和其他资源并且导致较少汙染和環境退化。
