什么是云计算？

Cloud computing is the on-demand delivery of compute power, database, storage, applications, and other IT resources through a cloud services platform via the Internet with pay-as-you-go pricing. Whether you are running applications that share photos to millions of mobile users or you’re supporting the critical operations of your business, a cloud services platform provides rapid access to flexible and low-cost IT resources. With cloud computing, you don’t need to make large upfront investments in hardware and spend a lot of time on the heavy lifting of managing that hardware. Instead, you can provision exactly the right type and size of computing resources you need to power your newest bright idea or operate your IT department. You can access as many resources as you need, almost instantly, and only pay for what you use.

云计算是通过云服务平台，通过互联网按需交付计算能力、数据库、存储、应用程序和其他IT资源，并采取用多少付多少的定价策略。无论您运行的应用程序是向数百万移动用户共享照片，还是支持业务的关键运营，云服务平台都可以快速访问灵活、低成本的IT资源。有了云计算，你不需要在硬件上进行大量的前期投资，也不需要在管理硬件的繁重工作上花费大量时间。相反，您可以提供所需的正确类型和大小的计算资源，以支持您的最新创意或运营您的IT部门。您几乎可以立即访问所需的任意多个资源，并且只需支付所用资源的费用。

Cloud computing provides a simple way to access servers, storage, databases and a broad set of application services over the Internet. A cloud services platform such as Amazon Web Services owns and maintains the network-connected hardware required for these application services, while you provision and use what you need via a web application.

云计算提供了一种通过互联网访问服务器、存储、数据库和一系列应用服务的简单方法。Amazon Web services等云服务平台拥有并维护这些应用程序服务所需的网络连接硬件，而您可以通过Web应用程序提供和使用所需的硬件。