However, how to make effective and agile decisions in a complicated business environment has become a great challenge to PBOs.
然而在当今复杂的商业生态系统中，如何有效、快速做出项目管理决策是项目型组织面临的重要挑战。
2
Furthermore, earned value management system is introduced to monitor and control multiple projects for PBOs. Earned value maturity model is analyzed at the end of this part.