【名词&注释】
电子商务(e-commerce)、子系统(subsystem)、持久性(persistence)、数据模型(data model)、安全性管理(security management)、详细分析(detailed analysis)、系统分析员(system analyst)、完整性控制(integrity control)、系统安全需求、每一个(every single)
[单选题]The key benefit of ( )is that it provides guidance and direction on how the project costs will be managed throughout the project.
A. Plan Cost Management
B. Control Cost
C. Estimate Cost
D. Determine Budget