waste collection and management system

例句：

1. 1. The city has implemented a new wastecollection and management system to reduce pollution.
   该市实施了一个新的废物收集和管理系统，以减少污染。
2. 2. The waste management system isdesigned to recycle and reuse materialseffectively.
   废物管理系统旨在有效地回收和再利用材料。
3. 3. The company's waste collection andmanagement system is one of the key factorsin its environmental sustainability.
   该公司的废物收集和管理系统是其环境可持续性的关键因素之一。