现代的应急存储设备则可以在你的控制之下提供所有这些好处，且其成本要比托管方案要低得多，还不会出现互联网的延迟情况。
Modern on-premise storage devices provide all of these benefits fully under your control, at a much lower cost than a hosted solution can offer, and without the lag time of the Internet.
而且，要实现情景应用程序的需求，需要让开发的成本大幅度降低，同时还能提高其应急能力。
Furthermore, to achieve the requirements of a situational application, development needs to become significantly more affordable and expedient.
在实际操作当中，无论详细的成本估算中是否包括了意外事件，项目预算都应列支一笔应急储备金。
Realistically, a budget accounting item for contingency allowance should be established whenever a contingency amount was included in the final cost estimate.
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