技术层面、管理层面、市场层面和政策层面的问题交织在一起，需要将新的理念、新的分析和控制技术引入新一代EMS。
The issues in technique aspect, management aspect, market aspect and policy aspect are intertwined, new ideas, new analysis and control technology are needed to apply in new generation of EMS.
多层面的社会政策的出台，对于身份问题的热烈的讨论以及东扩进程中所出现的问题都证明了这点。
The issue of the multi-level social policies, heated discussion about the identity issue and the nowadays problems rising in the Eastward Enlargement all confirm this.
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