根据千禧生态系统评估报告，可持续地管理生态系统比掠夺消耗它更有好处。
Managing ecosystems sustainably is more profitable than exploiting them, according to the Millennium Ecosystem Assessment.
这场争论的核心是如何管理世界上留存的自然生态系统，以及如何和在多大程度上恢复其他栖息地。
At its core, the debate is about how to manage the world's remaining natural ecosystems and about how, and how much, to restore other habitats.
这就解释了为什么越多越多的API提供者派发开发者密钥：不仅为了加强这些访问规则或度量访问量，还关系到对整合生态系统的管理。
This is why we see more and more Web API providers issue developer keys: it is not just about enforcing these rules or metering usage, it is also about managing the entire ecosystem.
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