________measures that degree to which the revenue from selling products exceeded the cost of the materials used to produce them. 答案公告 2020年7月16日 新余答案网 解析: 【解析题】党的十九大报告指出,要建设知识型、技能型、创新型劳动者大军,弘扬劳模精神和( ),营造劳动光 […]