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"For the ARJ21, the nation's first domestic commercial regional aircraft, it took about six to seven years of test flights before it received the airworthiness certificate, which was the longest period for commercial aircraft in history," he said.

"Girls flipped over those pages and blushed, and all the boys kept silent," Sun said. "The atmosphere in the classroom was one of embarrassment and hilarity."

"For the next step, the central bank will work with other government departments to steadily promote the opening-up of China's financial market."

"For the blind and visually impaired people like me, visual assistance from a person for walking is most desirable, as humans can react to rapidly changing environments in public places and to my requests much quicker than assistive devices," Cai said. "The app has allowed me more access to assistance than merely relying on that of my friends and family."

"Guangdong expects Exxon to play a role in promoting the province's energy structure and upgrading its petrochemical industry," Ma said.