由此得出结论，如果两厂商可自由选择产品的环境质量认证水平，则总质量高的产品的环境质量水平也高。

Main conclusion is, if two firms can freely choose quality level of certification, the firm with high total-quality product should choose to supply high environmental quality;

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从已获得ISO 14000环境质量认证的物业管理企业经验与感受来看，一个最敏感的问题就是成本费用问题。

Has been obtained from ISO14000 environmental quality certification of property management enterprise experience and feeling, one of the most sensitive issue is cost issue.

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这个严格的认证确认此数据中心在能源和水资源节约、碳减排、资源管理和室内环境质量方面都处于先进水平。

The stringent certification recognizes energy and water savings, carbon-emissions reduction, resource stewardship, and indoor environmental quality.

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