求翻译：工程造价活动是贯穿于整个工程项目中的一项重要的经济行为，它决定了建设项目在建设阶段所需全部费用的总和。业主是建设项目具体的发起者和组织者，对于建设项目的投资大小具有决定地位，因此在建设项目投资中，业主的管理具有决定意义。加强业主的造价管理，采取经济和技术相结合，在项目可研阶段、决策阶段、设计阶段、招标阶段、施工阶段的造价管理都具有重要意义。是什么意思？

The project cost activities throughout the whole project is an important economic behavior, which determines the sum of all costs required in the construction phase of construction projects. The owners of construction projects sponsors and organizers, determined the size of investment in constructio

construction cost activities throughout the entire project is one of the most important act of economic construction, and it determines the phase of construction projects in the total cost of