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"Perhaps the best way to operate is by subregions -- South America on the one hand, Central America on the other -- and outlining the areas of opportunity," said Barcena.

China is ready to enhance the alignment of the China-proposed Belt and Road Initiative and the development programs of the Eurasian Economic Union (EEU), he said.

After their talks, the two leaders witnessed the signing of three cooperative documents on education, food safety and energy.

Currently, challenges and opportunities co-exist on the Korean Peninsula, Xi said, expressing the hope that the PyeongChang Winter Olympics will not only bring about opportunities for inter-Korean dialogue, but also help improve the situation on the peninsula.

The old-school winner-takes-all mentality and beggar-thy-neighbor approach would not only block the doors of others, but also barricade one's own path. "They would erode a country's own roots for growth, and impair the future of whole humanity," he said.