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"China is deeply impressed with the development of the ASEAN countries during these 50 years and firmly supports the establishment of the China-ASEAN community," Jiang Jianguo, minister of the State Council Information Office of China, said in a keynote speech at the meeting.

"China is a dynamic impetus to the global civil aviation market with surging air passengers and more airports. It is forecast to become the world's largest aviation market by the mid-2020s," according to a report by the International Air Transport Association.

"China needs to continue its opening to the world, including important programs like the Belt and Road Initiative, while also promoting domestic-based growth to improve people's livelihoods and living conditions," said Sachs, who is also a senior United Nations advisor.

"China is willing to work with relevant countries to continue to uphold multilateralism and international rules, advance the process of economic globalization and build an open world economy," she added.

"But the government should put forward specific measures to avoid increasing the burdens of private companies, especially those small and medium-sized ones.