求翻译：建设工程造价管理就是运用科学技术原理和经济及法律手段，解决工程建设活动中的造价的确定与控制，技术与经济，经营与管理等实际问题，从而提高投资效益和经济效益，它不仅与工程内容有关，还与建设地区的经济发展程度、建设者的管理技术水平、国家和当地政府的政策等存在着联系。是什么意思？

Principle of cost management of construction project is to use science and technology and the economic and legal means, resolved determination and control of engineering cost in construction activities, technical and economic, practical issues such as management and administration, to increase investment and economic benefits, it not only project-related, Builder of region's level of economic development, and construction management technology, State and local government policies, such as a link.