In this broad span of time since these thinkers first presented their ideas, economic issues and concerns have changed greatly-but core economicdoctrine remains.
The doctrine of surplus value is the cornerstone of Marx's economic theory.
剩余价值学说是马克思经济理论的基石。
《新英汉大辞典》
3
The theoretical logic presupposition of neoclassic economics is essentially materialistic beneficial doctrine which can not also explain numerous economic facts.