Familiar Web sites, like Google Maps, make it easy to get started, and advocacy sites like City-Go-Round give you the mobile tools you need to make it convenient.

和Web站点类似，比如GoogleMaps，它帮助您轻松地开始使用，还有倡导网站，比如City - Go - Round，它为您提供使利用更便捷的所需移动工具。