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"China's Q1 current account surplus was considerably higher than the quarterly average for the second half of last year," said Wang.

"Cuba has never, nor would it ever, allow that the Cuban territory be used for any action against accredited diplomatic agents or their families," the foreign ministry said in a statement.

"China's AI industry is flourishing currently, epitomized by the fact that an increasing number of tech breakthroughs are being made. AI is also being applied in a string of vertical industries," said Chen Zhaoxiong, vice-minister of industry and information technology.

"China's auto production and sales are likely to hit about 25 million units this year, similar to that of the previous year," Meng said at a news conference in Beijing. "And the production and sales of new energy vehicles are expected to exceed that of 2019."

"Commercial-titled apartments became a first choice for people without household registration (Hukou) and investors who wished to buy more than one home in the city, despite the fact that such properties were subject to higher utility bills. Demand for such properties was growing fast as supplies of conventional residential properties were limited," said Gao Liangyi, 43, who lives in a commercial-titled apartment in Beijing's Xicheng district.