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"We don't get a second chance," Kerry said in a speech in Marrakech. "The consequences of failure would be, in most cases, irreversible."

"The Communist Party of China shared the same dream of the rejuvenation of the Chinese nation with Sun," said Yu Weigang, a professor with East China University of Science and Technology in Shanghai.

Dimitriev said Macedonia-China trade cooperation has boosted his country's economic development.

On Friday morning, Xi and Correa also watched via live broadcast the foundation stone laying ceremony of a new hospital built with Chinese assistance in the earthquake-stricken Ecuadorian city of Chone, to replace the one that was seriously damaged in the April earthquake.

On Thursday, China and Ecuador lifted their relations to a comprehensive strategic partnership, and pledged to implement major projects in oil and gas, mining, infrastructure, water conservancy, communication and finance, and explore cooperation in agriculture, petrochemical industry, ship building, metallurgy and paper making industries.