Environmental issues, resources dry up and other global crisis, urge the human being to ponder the way of their living and producing.

环境危机、资源枯竭等全球性问题，带给人类对自己生活生存方式的反思。

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There have benn an abundance of animals resources in the world, but the resources might dry up if not protected.

世界上的动物资源丰富，但是如果保护不当，这些资源会枯竭。

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But later, leads dry up and departments usually scale back resources and declare a case inactive.

WSJ: Lapse in Missing-Persons List Questioned by Cleveland Officials