但是，就富勒博士所知，他的研究是首次尝试用数据来阐明成本与收益。
But as far as Dr Fuller knows, his study is the first to try to put hard Numbers on the costs and benefits.
会这样的原因之一是因为那些靠近城市的保护区地价一般比较高，而同时偏远地区的地价则相对很便宜，富勒博士解释说。
One reason for this is that areas near cities, Dr Fuller says, often have high land values whereas in remote areas, land can come much cheaper.
作者简介：李新海（1962-），男，湖南邵阳人，教授，博士导师，主要从事富勒烯材料的研究。
Author Introduction:LI Xin-hai(1962-), Male, Proffessor, Director of doctor, engaged in the study on fullerene materials.
作者简介：李新海（1962-），男，湖南邵阳人，教授，博士导师，主要从事富勒烯材料的研究。
Author Introduction:LI Xin-hai(1962-), Male, Proffessor, Director of doctor, engaged in the study on fullerene materials.
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