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In a speech delivered at the first session of a Group of 20 (G20) summit, Xi said the G20 should work to maintain a stable economic growth in the short term, while seeking to inject new impetus into the world economy in the long run.

He called on the NPC and U.S. Congress to enhance communication and exchanges, deepen mutual understanding and advance substantial cooperation in the spirit of mutual respect and common ground.

Xi attributed China's inferiority to developed countries in science mainly to insufficient innovation, and he proposed national laboratories be devoted to state-of-the-art science and technology. These labs will be large in scale and interdisciplinary, he added.

Wang echoed his remarks, saying: "No matter how the domestic situation in Argentina changes, China won't change its policy that supports Argentina's economic and social development."

More than 60 countries and international organizations have expressed interest in being involved in the Belt and Road Initiative, and a number of major bilateral and multilateral projects are under way.