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To forge new advantages in international cooperation and competition, China will need to promote high-quality development driven by reform and opening-up, while improving weak links and leveraging strengths to meet challenges, said Guan Tao, chief economist with BOC International.

China, he said, stands ready to continuously strengthen cooperation and exchanges in scientific research with all parties, and work together to achieve breakthroughs in key areas of science and technology, promote scientific and technological innovation across the globe, and make new contributions to the betterment of lives in all countries and sustainable development of the whole world.

The new development pattern, with the domestic market being the mainstay, is in line with China's efforts to expand domestic demand in the past decade, according to Jia Kang, chief of the China Academy of New Supply-side Economics.

In pursuing the new development pattern, scientific and technological innovation, especially making breakthroughs in core technologies, is widely regarded as the key to shaping domestic circulation.

These included those from Western countries such as British Prime Minister Boris Johnson and French President Emmanuel Macron; those from emerging-market countries -- Russian President Vladimir Putin and South African President Cyril Ramaphosa; and those from developing countries like Pakistani Prime Minister Imran Khan, Ethiopian Prime Minister Abiy Ahmed Ali and Cuban President Miguel Diaz-Canel.