Conservation of resources can also save to open capital.
保护资源还能节省开资。
Most people have come to accept the need for conservation of natural resources.
现在大多数人已认识到保护自然资源的必要。
Conservation, especially of natural resources.
保护自然资源至关重要。
Conservation, especially of natural resources.
我们必须保护自然资源。
Protect the water environment, conservation of water resources.
保护水环境，节约水资源。
Protect the water environment, conservation of water resources.
保护水环境，节约水资源。
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