By using the trigger strategy game models, this paper explores the sustainability and spontaneity of enterprise cluster's eco-operation.

运用触发策略博弈模型，对企业群落生态化经营的自我持续性进行了研究。

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The voluntourism is a new form of tourism, which is regarded as irreplaceable tourism emphasizing on sustainability, accountability and education as well as a form of eco-tourism.

而公益旅游是一种新兴的旅游形式，公益旅游被看作为强调可持续性，负责性和教育性的可替代性旅游和生态旅游的一种形式。

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Call it the Sustainability Holism Hypothesis coming straight out of eco-thinking.

FORBES: Sustainability Holism Versus Green Tokenism

If just a quarter of our purchases were put toward locally made or eco-friendly fashion and fashion companies with a commitment to sustainability, we could change the face of the industry.

CNN: The fashionista's dilemma: Cheap clothes

These include STI's Sustainable Tourism Eco-Certification Program (STEP) and the Voluntary Initiative for Sustainability in Tourism (VISIT) in Europe.

CNN: Giving something back