Soccer could provide clues to what this new world of mobility, largely unhindered by national borders, might look like.

这个充满流动性、不太为国界所阻碍的新世界会是个什么样，足球或许能给我们提供些线索。

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At the annual Frankfurt show this year, Audi unveiled not only a hybrid version of the top-of-the-line A8 (to complement the hybrid A6 already announced), but showed off an urban concept battery car that is part of its new effort on adopting mobility to the coming world of megacities.

FORBES: Frankfurt Auto Show: Mobility In The Megacity