To meet this need, there are now about 30 eco-cities in various stages of development throughout the country, Mr. Brubaker said.
为满足需要，全国目前有30个处于不同开发阶段的生态城，布鲁·巴克说道。
2
Based on the analysis of eco-tourist resources and developing conditions in this nature reserve, this article puts forward the development conception of eco-tourism.
文章分析了龙王山自然保护区生态旅游资源状况和开发利用条件，提出了生态旅游开发的构想。
3
The speaker, however, says that like all forms of development, eco-tourism has favorable and unfavorable points.