In view of the demand of utilization of natural resources and changing environment, the nature plays the role of regeneration of natural resources and purification of environment.
鉴于人类利用资源和改变环境的要求，自然界承担了资源再生和环境净化的功能。
In view of the demand of utilization of natural resources and changing environment, the nature plays the role of regeneration of natural resources and purification of environment.
鉴于人类利用资源和改变环境的要求，自然界承担了资源再生和环境净化的功能。
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