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"For visitors who have completed their tour of the CIIE, they can continue to use the application for traffic guidance to their destinations in Shanghai, either by public transportation, taxi or other modes of transport," said Zhou.

"Guidance needs to change and needs to be clear that these nonmedical, nonsurgical masks are beneficial to the general public and should be worn when outside of the home," Robert Hecht, a professor of epidemiology at the Yale University School of Public Health, said in an article published Monday on politico.com.

"For Mercedes overall, China is a very important market," Dietmar Exler, Mercedes-Benz CEO USA, told China Daily.

"First of all, it's been UK car manufacturer investing in China, I think Jaguar or Land Rover opened its plants in China," Hawes said. "It's expanding production and that's taken some of the export from its UK plants and based them in China."

"For international cooperation, there is no platform more promising than the Belt and Road Initiative," Lam said.