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Dave Limp, Amazon’s senior vice president of Devices & Services, said the company is moving toward a more “ambient home,” with fewer explicit verbal interactions with Alexa. “That’s not to say you won’t speak to your home, but it’s going to understand you more. It’s going to anticipate your needs and be more contextual,” he said.

David Hui Shu-cheong, an infectious disease expert at the Chinese University of Hong Kong, said the measures will be effective through discouraging most travel to Hong Kong, while, at the same time, allowing entry of students studying overseas.

Dalian port, a major container port in Northeast China, owns more than 100 container trade lines in the country and overseas. Last year, cargo throughput of Dalian Port reached 355 million tons, up 5.5 percent from a year ago.

Damien Giraud, vice-president of Caterpillar's global construction and infrastructure division, highlighted the fact that the new-generation excavators, which are more energy-efficient, productive and smart, were first released in China, instead of the United States or Europe.

DJI, the world's largest drone maker, rebutted US lawmakers' data security concerns about the company's products on Monday, saying it does not collect or share customer data. The company also unveiled plans to start assembling drones in the United States.