该奖励授予奥巴马的时机非常关键，因为他正在全球致力于和平使命中发挥关键的作用。
The award comes at a crucial time for Obama, who has initiated peace missions in key parts of the globe.
升级业务处理、旅游和医疗保健等服务业或许会在该地区的未来增长中发挥关键的作用。
Upgrading the service sector - for example, business processing, tourism, and health care - could play a critical role in the region's future growth.
一份新的报告指出，为对付毁林和森林退化而提供激励措施可以在应对气候变化中发挥关键的作用，这些措施要求有更强有力的、对贫穷社区公平的政策框架。
Incentives to tackle deforestation and forest degradation can play a key role in combating climate change and requires a strong policy framework that is fair to poor communities, says a new report.
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