a study on Foster's eco-Marxism ideas 批判 构建 启思：福斯特生态马克思主义思想研究：a study on Foster's eco-Marxism ideas a study in the history of ideas a study on Lyotard's Marxist thoughts a study in the history of political ideas a study of modern western political ideas Study on Foster's ecological marxism a study of western Marxism feminism theory a study on new perspectives