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Chen Yiyun, a marriage researcher at the Chinese Academy of Social Sciences, suggested marriage education before people tie the knot.
Chen Juan contributed to this story.
Chery will replace the defective fuel pumps free of charge.
Chen Lei, chief technology officer of Pingduoduo, a social shopping platform based on group buying, said distributed AI based on social networks will be the mainstream application in the future.
Chen predicted in the report that as the electric vehicle industry prospers, in China, demand for cobalt in power batteries will increase from 5,865 tons in 2017 to 58,800 tons in 2025; globally, the demand will increase from 9,200 tons in 2017 to 102,100 tons in 2025.
