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  3. [audioFiles]2015m8x/audio_ezfj_ezflisteningd_20157_009[/audioFiles]

[audioFiles]2015m8x/audio_ezfj_ezflisteningd_20157_009[/audioFiles]

游客2023-11-04  4
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答案                                 Waste
    Waste is sometimes a subjective concept, / because items that some people discard may have value to others. / It is widely recognized that waste materials are a valuable resource, / while there is debate as to how this value is best realized. / Governments need to define what waste is / in order that it can be safely and legally managed. / Different definitions need to be combined / in order to ensure the safe and legal disposal of the waste. / The European Union has started a discussion / that will end in an End-of-Waste directive. / It will clarify the distinction between waste that shall be treated for disposal / and raw materials that can be reused for other purposes. / All over the world, America generates more waste than any other nation in the world, / with 4. 5 pounds of municipal solid waste per person per day, / 55 percent of which is contributed as residential garbage.
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