Listing 1 shows a code sample for the forward flow control mechanism, using the implicit application variable.

清单1给出了使用隐式变量application的forward流控制机制的代码示例。

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However, in general when the two nodes are in separate message flows (for example, Figure 2), you need to forward the necessary correlation information to the reply flow yourself.

然而，在一般情况下，当两个节点在单独的消息流中时(例如，图2)，您需要自己将必要的相关性信息转发给应答流。

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So, in a nutshell, Spring Web Flow makes developing Web applications with directed navigation (typically forward and backward) a lot easier and less error-prone.

所以，概括而言，在使用定向导航（通常为向前和向后）开发 Web 应用程序时，使用 Spring Web Flow 可以使这项工作变得更容易，错误的机率更少。

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If a natural gas producer can enter five-year-forward contracts, why can't a dairy farmer smooth out his cash flow by linking feed and milk prices?

FORBES: Creative destruction 101

With Villa struggling to keep hold of the ball, United continued to flow forward and a sliding Park was inches away from converting Rooney's enticing right-wing cross.

BBC: Aston Villa 0-0 Man Utd