如果人们大量利用额外土地，继续扩大肥料和杀虫剂的使用范围，进一步损耗日益减少的地下水供给的话，那将会是很容易的。
Easy, that is, if the world brings into play swathes of extra land, spreads still more fertilizers and pesticides, and further depletes already scarce groundwater supplies.
如果人们大量利用额外土地，继续扩大肥料和杀虫剂的使用范围，进一步损耗日益减少的地下水供给的话，那将会是很容易的。
Easy, that is, if the world brings into play swathes of extra land, spreads still more fertilizers and pesticides, and further depletes already scarce groundwater supplies.
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