创造力，结合随需而变的营销工具将会有所帮助。
Creativity, combined with on-demand marketing tools, will help.
这就要求开发的管理信息系统必须是随需而变，是动态性的变化。
This requires the development of management information system must be changed on demand and is a dynamic change.
SOA的优势在于它高度的可重用性、敏捷性、随需而变、以及良好的延展性和可用性。
SOA has the advantage of a high degree of reusability, agility, on-demand to change and good scalability and availability.
EC2 (Elastic Computingcloud，弹性计算云)该服务接口提供了“云中可变的计算能力(resizable compute capacityinthe cloud)”(也就是说，随需而变的个性化Linux映像)。
A web service that provides "resizable compute capacity in the cloud" (i.e. on demand personalized Linux images).
EC2 (Elastic Computingcloud，弹性计算云)该服务接口提供了“云中可变的计算能力(resizable compute capacityinthe cloud)”(也就是说，随需而变的个性化Linux映像)。
A web service that provides "resizable compute capacity in the cloud" (i.e. on demand personalized Linux images).
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