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"Contrary to our hypothesis, young adults with high (social media use) seem to be more, and not less, socially isolated," the researchers said in a study published in July in the American Journal of Preventive Medicine.

"China's supply-side structural reform will lead to upgrades within industries, bringing improvement in efficiency and quality of companies," Tang said.

"China's e-commerce grew because it believed in the entrepreneurs," said Ma, adding that "first innovation, and then policies to facilitate entrepreneurism."

"China proved that a lockdown and staying at home are the best ways to tackle the outbreak and in Brazil we are going to have four months of a dip in the economy" due to those measures, he said.

"China's competitive advantages are significant with the country's high-speed rail technology having proven that it can stand the test of various climates ranging from alpine to tropical conditions," said Zheng Changhong, former deputy chairman of CRRC.