meliorism
meliorism[ˈmiːlɪərɪz(ə)m]noun- [mass noun](Philosophy)the belief that the world can be made better by human effort
(哲)社会向善论(认为社会可以通过人类自身努力而得以改善)
派生meliorist( & ) noun& adjectivemelioristicadjective语源- late 19th cent.: from Latin melior 'better' + -ism
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