Combining the concrete cases of EC Commission and the Court of Justice of the European Communities, this paper analyzes the key article of EC competition law, and makes a deep inquiry into the issues such as what is"abuse by undertaking of a dominant position", what is"affect trade between Member States" and what is the formality of"abuse of a dominant position".

The United States and EU,with advanced anti-monopoly legislations,have comparatively matured experiences in regulating the abuse of a dominant position.

The laws and regulations for the middle and primary school teachers political and economic position are the organic component part of the teachers laws.

The economic status of eco-tourism in South Shaanxi is obvious and there are great development potentials for multi-functional tourism products at different levels.

The present statistical and classfying systems underestimated the economic status of forest.

To conform to the trend,their governments and social organizations have given strong support to the elevation of women s economic status through legislation,financial backing and social concerns.