服务消费者不用再守在 PC 旁边使用 PC 上的应用程序，或者购买针对特定智能手机、PDA 及其他设备的版本。
The service consumer no longer has to be at a PC, use an application from the PC, or purchase a specific version that's configured for smartphones, PDAs, and other devices.
苹果移动设备的用户们就可以通过一些可下载的应用软件——或者简称为“应用”——来使用很多在线服务，而不必再使用传统的浏览器。
Users of Apple's mobile devices access many Internet services through small downloadable software applications, or apps, rather than a web browser.
在本节，我们会增强示例应用程序以在关机之前将存储库保存到服务器上并在服务器再启动时加以恢复。
In this section, the sample application is enhanced to save the repository on the server before shutdown and restore it when the server starts again.
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