苹果官方文档:
Give your apps a sense of place with maps and location information. Present maps with custom annotations, highlighted regions, and overlays. Offer your users full control to pan, rotate, zoom, and move the map around in 3D, and show users their current location or guide them to their next destination using direction APIs.
(译文)给你的应用程序一种位置感通过地图和位置信息。目前地图自定义注释，高亮区域，并覆盖。给你的用户提供全面的控制，平移，旋转，缩放，移动地图，并显示用户当前的位置，或引导他们到他们的下一个目的地使用方向的。