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"China's civil aviation industry has seen rapid and healthy development in recent years," Gao said, adding that Boeing has delivered more than 2,000 commercial aircraft to the country.

"Clean hydrogen is a transformational fuel that can be used to power vehicles, generate heat and electricity, and as a chemical feedstock in major industrial applications."

"Current information regarding the origin of the virus is very limited and difficult for non-experts to digest," he said.

"Civilization makes people act alike, while cultures make people different, with various identities," he said.

"China's reform and opening-up has contributed significantly to global development," Park said, as the Chinese government created huge demand via expansionary fiscal policy during the global financial crisis and thereafter, serving as a driving force for global economic growth via the largest consumer market in the world.