People wanting to solve the problem of waste must work out ways of making use of good things which are just thrown away as waste. 想解决废物问题的人们必须解决把作为废物扔掉的那些好东西利用起来的方法。
One that studies, advocates, or makes use of Karl Marx's philosophical or socioeconomic concepts as a method of analysis and interpretation, as in political economy or historical or literary criticism. 马克思主义者，马克思主义追随者研究、推广马克思主义或在政治经济学、历史或文艺批评等领域利用马克思的哲学或社会经济学概念进行分析或阐释的人
Not made use of or put to advantage. 未经开发利用的没有利用的或没有使得有利的
