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學(xué)習(xí)快評(píng)丨qibao666888　　例??(li)如??(ru)“揚(yáng)?(yang)棄??(qi)”?，我??(wo)認(rèn)?(ren)為??(wei)可??(ke)視??(shi)作??(zuo)一??(yi)種??(zhong)農(nóng)??(nong)業(yè)??(ye)比??(bi)喻??(yu)??。??“揚(yáng)??(yang)”是??(shi)將??(jiang)谷??(gu)物??(wu)揚(yáng)??(yang)起??(qi)以??(yi)篩??(shai)出??(chu)有??(you)用??(yong)的??(de)谷??(gu)粒??(li)?，“棄??(qi)”即??(ji)丟??(diu)棄??(qi)谷??(gu)殼??(ke)等??(deng)無(wú)??(wu)用?(yong)之??(zhi)物?(wu)??。整??(zheng)個(gè)??(ge)過(guò)??(guo)程??(cheng)如??(ru)同??(tong)辯??(bian)證??(zheng)篩??(shai)選??(xuan)：事??(shi)物??(wu)經(jīng)?(jing)過(guò)??(guo)反??(fan)復(fù)?(fu)檢??(jian)驗(yàn)??(yan)?，無(wú)??(wu)法??(fa)繼??(ji)續(xù)??(xu)使??(shi)用?(yong)的??(de)雜??(za)質(zhì)?(zhi)將?(jiang)自??(zi)然??(ran)脫??(tuo)去??(qu)?，最?(zui)終??(zhong)留??(liu)下??(xia)精??(jing)華??(hua)???！　∈??(shou)訪??(fang)者??(zhe)簡(jiǎn)??(jian)介??(jie)：。