德索托的理论并非纸上谈兵。他曾亲自参与秘鲁的改革，而且一度取得显著效果。
Wonderfall (@w0nderfall)
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A wall currently separates the Nant Clydach tributary from the street, but the environment body, Natural Resources Wales, said building a raised flood defence wall was "not economically viable".
Маргарита Щигарева