求翻译：（2）积极推行工程监理制度，是加强工程造价管理的重要手段。建设单位缺乏专业的技术管理人员，应委托工程监理公司来管理建设项目，由监理工程师对工程的施工进行监督和现场管理，使工程严格按合同条款规定进行。业主、承包单位、监理三方互相约束、各司其职。同时赋予监理工程师应有的权利，使之有效地行使施工过程造价管理的职能，从而达到控制或降低工程造价、充分发挥投资效益的目的。是什么意思？

(2) actively promote the project supervision system is an important means to strengthen the project cost management. The construction unit to a lack of professional technical and management personnel, project supervision companies should be entrusted to manage construction projects, engineering cons

(2) actively pursuing engineering supervision system, strengthen the Cost Management is an important tool. Lack of professional construction workers in the management of technology, and engineering supervision shall be entrusted to manage construction projects, supervising engineers by the project f

(2) actively promote project management system, are important means to strengthen project cost management. Construction units lack of professional technical and management personnel, to be entrusted with project management company to manage a construction project, supervised by supervising engineer