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"Even though the epidemic is contained, risks of infection still exist," Xu said.

"Earlier we were reliant on the intuitions and experience of the local operation team. With the use of technology like AI and big data, we are getting more accurate answers."

"Even if Geely and Daimler reaches cooperation deals, they will take a long time to gain regulatory approval. Also, Daimler will tread carefully when it deals with partners, as Audi's attempt to find a second partner in China resulted in protests and hurt its sales."

"Every year, second-hand booksellers collect textbooks at a price of about 4,000 yuan a ton, which is more than twice the price of ordinary waste paper, but the number of people who come to collect second-hand books is still few," Zhao Dehua said.

"Doctor Liang is famous but very nice to patients. We believe he will improve our condition," said Feng Cheng, 24, from Anhui province, who also has a bent spine, or scoliosis.