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"Getting married later is a common phenomenon in the world. China is no exception with rising age at first marriage," said Zhang Juwei, a demographer with the Chinese Academy of Social Sciences.

"For now the biggest gap between China and global leaders in AI is our severe lack of AI professionals, and we are ready to work with education departments to nurture young professionals in the field," Li said. He said China's current reserve of AI expertise, especially at the high end, falls short of meeting the pressing demand for AI as the country undergoes rapid social and economic progress.

"Growing the same crop on the same land year after year is not good. That's why we follow a rigorous crop rotation system, which makes the land more productive and environmentally sustainable," she said. "This is the way successful farmers have worked for generations."

"Governments can foster market-oriented development and broad-based growth by creating rules that help businesses launch, hire and expand," World Bank Group President David Malpass said. "Removing barriers facing entrepreneurs generates better jobs, more tax revenues and higher incomes, all of which are necessary to reduce poverty and raise living standards."

"For the dairy industry of Kazakhstan, the Chinese market offers a huge opportunity. Chinese consumers are getting to know camel milk powder, and the market size is developing."