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Yuan Xin, a professor of population studies at Nankai University, said that with greater economic and social development, people's minds are evolving on traditional concepts of marriage and parenthood.

Yunnan is a major front in China's battle against drug crime, as it borders the Golden Triangle that is known for rampant drug production and trafficking.

Yuan Jin, an environmental science professor at Taiyuan University of Technology's College of Environmental Science and Engineering, said: "Shanxi has a severe shortage of water. Some of the main channel and tributaries of the Fenhe River once dried up as a result of overuse."

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Yuan, from Nankai University, said many young couples in China are reluctant to have more children due to factors such as the high cost of raising children. The trend of population decline will not reverse even if the family planning policy is relaxed further, he said, with the workforce continuing to shrink and the average age of the population increasing.

Yet ebooks may also represent a chapter in the still-being-written story of how keeping track of what’s happening with content hasn’t always kept pace with the technology that’s transformed it.

Yet, the annual growth rate of airspace resources in China was only about 2 percent, and this lack of adaptability had an impact on the safety, services and operational efficiencies of the civil aviation market.

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Younger people usually go away to work in cities, leaving the elderly and weak behind. This leads to a vicious cycle in which increasing amounts of farmland is left uncultivated.

Young volunteers use sustainable drink bottles, leading a new plastic-free trend. [Photo by Piao Feng/Provided to chinadaily.com.cn]

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You Jiabin and his team from the Energy School of Xiamen University, won the social practice group of the championship with their project “Innovative Research on Distributed Off-grid Power Generation Systems in Islands”.

Yu also highlighted the vital role that the Yantai global communication platform has played in promoting Yantai worldwide, especially during the current global pandemic.