q=%E7%99%BD%E6%9D%BE%E4%B8%8E%E9%93%81%E8%BD%A8%EF%BC%9A%E6%A2%AD%E7%BD%97%E7%94%9F%E6%80%81%E6%80%9D%E6%83%B3%E7%A0%94%E7%A9%B6%EF%BC%9Aon+Thoreaus+ecological+thoughts&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=PJDWFG&searchWay0=marc&logical0=AND
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白松与铁轨:梭罗生态思想研究:on Thoreaus ecological thoughts