它是第一个从国家科学院所确定的可持续性主要目标，即从生产力、经济效益和环境这几方面来比较有机农业和传统农业。

It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.

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在80年代，人口并没有被人们视为对经济效益有何重要性。

In the 1980s, population was regarded as relatively unimportant to economic performance.

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因此，如果减少非生产性资本开支对经济的拖累，我们将会看到这笔资金将会被用在能够产生经济效益的方面。

So if you take the drag off the economy by nonproductive implementation of capital what you're going to see is that capital is then going to be put to use in something that is productive.

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