waste hierarchy

The waste hierarchy prioritises prevention over reuse, recycling, recovery, and finally disposal.废物管理层级将预防置于优先地位，其次是再使用、循环利用、能源回收，最后是处置。

Policymakers use the waste hierarchy as a framework for developing sustainable resource management legislation.决策者将废物管理层级作为制定可持续资源管理法规的框架。