今天，在我们所生活的世界中，全球定位系统、数字地图和其他导航应用程序都可以在智能手机上使用。
Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smartphones.
智能手机指那些能够提供高速手机上网、电子邮件、音乐播放器和全球定位系统等一系列服务的手机。
Smart phones refer to handsets which offer a range of converged services such as high speed Internet access, e-mails, music players and global positioning systems.
如果你让他们进入你手机的全球定位系统，很多智能程序都可以帮助你。
A lot of smartphone apps can help you out if you let them access your phone's GPS.
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