iPhone为什么要跟踪这些数据尚不清楚，尽管定位功能应用充满无尽可能性——位置广告服务、地理围墙应用，诸如此类。
It isn't clear why the iPhone is tracking this data, although the possibilities for location-based features are endless - location-based advertising, geofencing apps, and so on.
还可能需要时间来协商一个特定的户外广告位置的空间，打印海报，或油漆公告板。
It may also take time to negotiate for the space for a specific outdoor advertising location, to print the posters, or to paint the board.
半透明的塑料膜覆盖整个表面，并且预留出赞助商的广告位置。
A translucent membrane envelops the entire form and serves as advertising space for sponsors.
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