n. 乌托邦思想, 空想的社会改良方案

[ noun ]
the political orientation of a Utopian who believes in impossibly idealistic schemes of social perfection
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Utopianism \U*to"pi*an*ism\, n.
The ideas, views, aims, etc., of a Utopian; impracticable
schemes of human perfection; optimism.