Valuable resource in waste is neglected and cannot be fully utilized.
把垃圾中有利用价值的资源埋没了，没有充分利用这些资源。
When the waste bin is fully filled ask someone else for help.
当垃圾桶完全塞满的话，请人帮忙。
However one of the most important, expensive and sometime not fully mentioned is WASTE.
然而，有一个最重要、代价巨大、但却常常得不到充分重视的因素，那便是废料。
However one of the most important, expensive and sometime not fully mentioned is WASTE.
然而，有一个最重要、代价巨大、但却常常得不到充分重视的因素，那便是废料。
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