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"Let's chat," Xi said to Liu Fuyou and his wife, both over 70 years old, inviting them to sit beside him on the kang.

Since 2013, the initiative has gone beyond vision and become a reality, delivering real benefits to countries along the routes.

Four years later, when Xi returned to Astana, the initiative has developed from a proposal to actions, and from a concept to practice, generating business opportunities, new jobs and hopes for countries and peoples involved.

"Countries need to unleash new drivers of global growth through innovation. It is important to advance the in-depth development of the digital economy and new industrial revolution, increase investment in infrastructure, and employ fiscal and monetary policies and conduct structural reform to achieve strong, sustainable, balanced and inclusive growth of the world economy," the president said.

China stands ready to maintain coordination with Argentina on such international issues as global economic governance, climate change, the 2030 sustainable development agenda and support Argentina to host the G20 summit next year, Xi said.