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"China has made enhanced efforts to optimize the business environment, which will facilitate market vitality and help with highquality economic growth," Liu said.

"CNPC may build a shale gas production capacity of 42 billion cu m by 2035, from resources 4,000 meters or less in depth. Its gas sales in profit should climb as operations improve and costs drop," she said.

"China has just begun the construction of national parks and has much to learn from its international counterparts, especially in the management of outdoor recreational activities," said Dong Erwei, a professor at the university. He is also director of the China International Center for Leisure and Tourism Research.

"By March, Trump will have a fuller idea of the lay of his domestic economic and political landscape. He will then know the extent of any significant softening in the economy already induced by monetary policy tightening by the Fed," said Rudd.

"China backs the improvement of inter-Korean ties, the advancement of dialogue between the DPRK and the United States, and denuclearization of the Korean Peninsula," Xi said.