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. 想解決廢物問題的人們必須解決把作為廢物扔掉的那些好東西利用起來的方法。
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. 馬克思主義者，馬克思主義追隨者研究、推廣馬克思主義或在政治經濟學、歷史或文藝批評等領域利用馬克思的哲學或社會經濟學概念進行分析或闡釋的人
Not made use of or put to advantage. 未經開發利用的沒有利用的或沒有使得有利的
