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"Different from the typical route of developing a financial system, Africa wants to skip the step of establishing a mature bank system but directly use digital finance to boost inclusive, sustainable growth," said Bei, citing his experience communicating with financial practitioners in Africa.

"Donald Trump is not the cause of all our problems, and we're making a mistake when we act like he is," Yang said at a Democratic debate on Friday.

"Demand for travel hasn't gone－it was just suppressed, and new trends, such as smaller groups, customization, and family road trips, are picking up momentum," he said.

"Every day of this year will add 0 million to industry losses," IATA director General Alexandre de Juniac told Reuters. "Airlines will still be financially fragile in 2021.

"ECMO is the last resort for critically ill coronavirus patients," Peng said. "Though it does not ensure reversal of condition or recovery, ECMO, at the very least, prevents moribund patients from dying of oxygen deficiency in the short term and thus increases chances of survival."