原因之二是，在设计和实施具有吸引力(盈利)的能效项目时涉及到专门技能。

Another is the special skill involved in packaging and delivering attractive (money-making) energy efficiency projects.

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CDM市场数据显示，可再生能源和能效项目的市场份额在增加，目前已占到项目交易总量的26%，比2005年的11%增加了一倍以上。

CDM market data shows that renewable energy and energy efficiency projects are gaining market share, now accounting for 26% of total project-based volumes, more than doubling from 11% in 2005.

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