And operational downtime caused by reliability or performance problems can incur opportunity costs if customers are unable to access your system or the business is unable to do its work.

并且如果顾客不能访问你的系统或业务不能进行工作，那么由可靠性或性能问题引起的运作停工就会招致机会成本。

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As one of the world's most reliable, scalable, and cost-efficient web infrastructures, AWS has changed the way businesses think about technology infrastructure--there are no up-front expenses or long-term commitments, capital expense is turned into variable operating expense, resources can be added or shed as quickly as needed, and engineering resources are freed up from the undifferentiated heavy lifting of running onsite infrastructure - all without sacrificing operational performance, reliability, or security.

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