- 問題詳情:Modernmanhasclearedtheforestsforfarmlandandforwood,andhasalsocarelesslyburnedthem.Morethanthat,though,hehasalsointerfered(干預)withtheinvisiblebondsbetweenthelivingthingsintheforests.Therearemanyexamplesofthiskindofdestruction.Theharmfulnesso...
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