Sustainable ecology became more of a demand for comfort; while the yearning of a return to nature was left ignored.

绿色生态更多是被转化为对舒适度的要求，而忽略了人们寄托在自然山水之中的情怀。

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It put forward that tourism must be highly dependent on ecology and environment. Only by protecting ecology and environment can we achieve sustainable economy benefit from tourist resources.

并指出旅游是一种高度依赖生态环境的活动，保育好环境，才能实现旅游资源的长效价值。

youdao

The study is called "Generation E: Students Leading for a Sustainable, Clean Energy Future" The E stands for ecology, sustainable economics and social equity.

VOA: standard.2009.12.08