Some Americans belive part of the answer to America's waste

Some Americans belive //part of the answer to America's waste problem lies in recycling everthing from glass to metal to paper to plastic.后面是believe的宾语
part of the answer to America's waste problem// lies in //recycling everthing from glass to metal to paper to plastic.sth lies in sth 这样的结构
part of the answer to America's waste problem美国污染问题的部分答案
recycling everthing from glass to metal to paper to plastic回收从玻璃到金属到纸张再到塑料的一切东西
再问： 这里的lies是什么意思？
再答： （答案）在于（回收）。是在于的意思