Modeling for execution is not a new concept, as this approach has been used in traditional software and systemdevelopment for a while.
为执行建模并不是一个新概念，因为这种方式已经在传统的软件和系统开发中被用了有一些时间了。
2
The traditional approach to keeping track of changes in software development is to use some type of change management system, process, or tool.
在传统的软件开发中，跟踪变更的方法是使用某种类型的变更管理系统、过程或工具。
3
Keep in mind that the project activities need to be iterative; the traditional waterfall approach to systemdevelopment is prone to much higher risk, especially for large and complex projects.