泡泡车的打造提供了廉价的个人交通工具。

Bubble cars were built to provide cheap personal transport.

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但是氢动力个人交通工具的前景看起来和以往一样扑朔迷离。

But the promise of hydrogen-powered personal transport seems as elusive as ever.

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没有了个人交通工具，就能够进行扩展，创建独具特色的空间。

The absence of personal motor traffic allows for the expansion of programs and the creation of a space with its own character.

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