"Making cities smarter is one way out, and I think this will in turn make cities greener," said Dan Hill, head of a research company.

“让城市更智能是出路之一，我认为这将反过来让城市更环保。”一家研究公司的负责人丹希尔说。

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"Making cities smarter is one way out, and I think this will in turn make cities greener," said Dan Hill, head of a research company.

“让城市更智能是出路之一，我认为这将反过来让城市更环保。”一家研究公司的负责人丹希尔说。

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