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"Family members may not necessarily live together," Han said. "Some younger family members are married and living independently from their elderly parents, without having updated their household registration records."

"Digitalization opens a new horizon with regard to safety, efficiency and cost for both aircraft manufacturing and civil aviation sectors," Xu said.

"Economics says the differences are incredible assets – comparative advantages, division of labor, all stuff you read in economic textbooks says you should leverage differences," said Garrett, a native of Australia specializing in international political economics who also has been a professor at Oxford, Yale and Stanford universities.

"Farmers were able to plant crops on the fertile sediment," Wei said. "As of the end of last year, production increased by 400 million kilograms."

"Donggang is in the humid monsoon climate zone. The humidity and sunlight are suitable for strawberry cultivation. The appearance and taste of the strawberries are attractive," said Wang Gangyi, a professor at the College of Economics and Management at the Northeast Agricultural University.