#四级标准听力测试模拟五Section A答案解析(4) 搜索结果
W:Sothere’slittleactualwastage?M:Butthatdoesn’teliminatecost.Thereprocessingisn’tdonefornothing.W:Butelectricityfromanuclear-poweredstationischeaperthanfromacoal-firedplant,isn’tit?M:W
