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"China trades frequently with countries and regions along the Belt and Road. With improving port infrastructure, customs clearance capacity has been strengthened and efficiency boosted," Ma said.

"Contrary to our hypothesis, young adults with high (social media use) seem to be more, and not less, socially isolated," the researchers said in a study published in July in the American Journal of Preventive Medicine.

"China's new era development model provides inspiration to other countries," Yu said.

"China's mobile payment is leading the world in both market size and user numbers and Chinese mobile payment companies have stepped up efforts to expand their presence in overseas markets,"Wang said.

"Chinese culture has been enlightening the world through our art, literature, philosophy, medicine, technologies in astronomy, navigation and four great inventions (papermaking, commercial printing, gunpowder and the compass)," Ho said.