already early scale
已经是早期规模了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The complexities of large cities present a myriad of challenges as much as developing the car and technology itself, but there have already been early discussions with Singapore and Hong Kong to test drive the cars and system on a small scale.
CNN: Reinventing the wheel
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