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"Delivery drivers constantly go through alleys and streets. They can serve as mobile patrols for the urban management department," Guo said. "Their participation will improve the efficiency of city governance."

"Do not daydream about China making a deal using its territorial sovereignty and national reunification," an unnamed spokesperson said in a statement, calling for a halt to intervention in China's domestic affairs, including Hong Kong affairs.

"Development of unmanned driving, which is based on big data and artificial intelligence, and fully electric vehicles will be priorities for our company in the coming years," said Zeng.

"Efficiency, reliability, cost and regulation are the four key factors that will decide if cryptocurrency has the competitive edge to replace traditional currency," said Li Lihui, former president of Bank of China, at in a recent seminar in Beijing.

"Excluding Huawei from the market doesn't mean the network is safe. For example, since Huawei's equipment is not used in the US networks, is the US having the most secure network? The answer is no," Liu said.