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"Cuban educational professionals answer the students' questions live and in a quick manner. Through this new technology we are expanding the educational spectrum in the country," said Rolando Forneiro, Cuban deputy minister of education.

"China's life expectancy is rising dramatically and it has now surpassed some high-income countries," World Health Organization (WHO) spokeswoman Alison Clements-Hunt once told Reuters.

"Chinese consumers have been really receptive to the product and its proposition. The reuse rate is extremely high. We see a robust market there owing to Chinese mothers' preference for safer and more premium baby formulas, the consumption upgrade and the universal second-child policy, that have helped to adopt and grow this new category and lead a new trend," he said.

"China's regulators are probably just going to let it follow market forces at this point instead of using its precious dollar reserves to defend the currency," Lee said.

"China resolutely defends its territorial sovereignty and any attempt to infringe upon China's sovereignty over Diaoyu Islands will be futile," Foreign Ministry spokesperson Lu Kang said, adding that Diaoyu Islands and its adjacent islets have been an inherent part of Chinese territory since ancient times.