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.
不过，德国经济复苏的可持续性面临着几个风险。
Nevertheless, there are major risks to the sustainability of Germany's recovery.
那么，我们就有理由对本月的严重灾害不会给日本经济带来持续性破坏这一点寄予希望。
There are grounds to hope, then, that this month’s terrible events will not cause lasting damage to Japan’s economy.
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