人工建植(或群落复生)成本也较低，能够获得经济效益。
Artificial vegetation community can be done at a lower cost and economic benefits can be guaranteed.
这显示作为世界头号经济大国的美国应该是第一个刺激经济恢复生机的国家。
S. , with the world's largest economy, should be the first to stimulate its way back to life.
美联储政策制定者相信，他们已经采取了先发制人的措施，以应对近期的经济走弱，并认为经济会在2008年第二季度之后逐步恢复生机。
Fed policymakers believe they have taken preemptive action to address near-term weakness and see the economy as regaining strength from the second quarter of 2008 onwards.
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