可以使用中介流来将贵宾成员的请求路由到即时报价服务，而将其他的请求路由到延迟报价服务。
You could use a mediation flow to route gold member requests from your service to the real-time quotation service, and the rest to the delayed service.
对于此示例应用程序，呈现期间的延迟是由于访问远程股票报价服务所造成的。
For the example application, the latency during rendering is caused by access to the remote stock quotes service.
该服务委派了两个不同的服务以获取股票价格：一个提供延迟的报价，而另一个则提供实时报价。
Your service delegates to two external services to fetch the stock prices: one provides delayed quotes, and one provides real-time quotes.
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