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"But now, both the manufacturer and authorities have experience, relevant technology and talent. The process for the C919 will take less time," Lin said

"But this article, I think, still needs to be modified, as how to make it work effectively should be taken more into consideration," she added.

"China has been promoting tobacco control in public areas for a long time. A national ban with legal force has been considered, but not launched," Yang said. "Research like this can serve as evidence for policymakers and convince the public of the necessity to strive for an environment free of smoke fumes."

"COVID-19 affects people in different ways and some people do only develop mild symptoms or may be asymptomatic," Slattery said.

"By further promoting digital development and strengthening the creation of business scenarios, banks will play a greater role in helping small businesses overcome financing difficulties and lower financing costs," he said.