常見例句雙語例句Labor in direct service toconsumers is "unproductive."直接爲(wèi)消費者服務(wù)的工作和勞動是“無生産力”的。權(quán)威例句However, if people waste their labor in unproductive jobs, little real demand is created.FORBES: The Keynesian Illusion Of Demand Creation 返回 unproductive labor