Once you decide to build your business logic as a workflow model you can take advantage of services provided by WF.
一旦你决定将你的业务逻辑实现为一个工作流模型， 你就能够利用WF提供的各种服务。
2
WF is embeddable and is commonly used to add workflow capabilities to existing solutions.
WF是可嵌入的，通常用于为现有的解决方案增加工作流能力。
3
This is so powerful because WCF and WF are really two sides of the same coin: WCF is the interface and hosting environment for the service, while WF implements its processing logic.