In spiritual production, the productivity and productive relations are both the interpersonal interrelation that takes shape in production, and they have identity.
精神生产中，生产力与生产关系都是生产中所形成的人与人之间的相互关系，它们具有同一性。
The cause of the polarization may be examined from three perspectives: productivity, national economic organization and regulation, and international productive relations.
贫富两极分化现象的成因可以从生产力、国民经济组织及其规则和国际生产关系与上层建筑三个角度进行考察。
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