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环保农业篇,0506 P77 0812 P110,P 77,fertile soil P98 slash-and-burn Organic matter due to Civil civilize civilization,0812 基本词汇,sustainsustainable sustainability Be taken as Lead to = result in yield P114 biodiversity diminish = decrease radical Urge sb to do,高分冲刺版,Basic assumption Proper appreciation Historical perspective Population density Zero impact Footprint Abandon the notion Pros and cons,农业,传统观点 traditional view conventional wisdom 新观点 unorthodox view radical thinking 挑战旧观念：砍伐焚烧森林 有好处 可持续农业重新定义,
