来自昂志毅的问题
paperproducedinthefactorythisyearisthreetimestheweightofthatofthelasttwoyears,sothefactorycan'thavemadebetterprogress
paperproducedinthefactorythisyearisthreetimestheweightofthatofthelasttwoyears,sothefactorycan'thavemadebetterprogress

