This context area is important when you consider the following scenario, which illustrates a particular aggregation scenario using a combination of Fan Out, Fan in, and Service Invoke primitives.

此上下文区域在以下场景中非常重要，此场景是组合使用Fan Out、Fan In和Service Invoke原语的特定聚合场景。

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Service area of McDonald's turned out to be much smaller than anyone could ever imagine.

麦当劳的工作区事实上比任何人能够想像的都要小。

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It is an important problem to find out the variation area factors of the postal service cost of various province (city) in the postal management and economy.

如何描述各省市区局各类邮政业务成本随地区因素变化的规律，是邮政经济和管理中一个十分重要的基础性问题。

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When the interurban rail line and trolley cutting through the neighbourhood were taken out of service in 1939 and 1941, the area went into rapid decline.

BBC: Seattle��s Fremont neighbourhood

Google began rolling out the service in the Kansas City metro area last fall, following years of planning, and is already cited as the fastest ISP in the United States by Netflix.

FORBES: Google Fiber Expands 1Gbps Internet Service To?Another City: Olathe, Kansas

Highlands and Islands Fire and Rescue Service (HIFRS) said the majority of wild fires in its area were now out.

BBC: Wild fire land in north and isles covers '10 Hampdens'