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"Either children are less likely to become infected, which would have important epidemiologic implications, or their symptoms were so mild that their infection escape detection, which has implications for the size of total community infection," wrote doctors Anthony Fauci, Clifford Land and Robert Redfield.

"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.

"Facing the grim task of fighting drug smuggling, we have established a regular judicial cooperative mechanism with our Vietnamese counterparts to root out the cross-border drug trade rather than our previous practice of carrying out periodic joint strikes," he said.

"Entering the new era, Shanghai should shoulder the new missions with which it has been entrusted by the central government," said Shanghai Party Secretary Li Qiang in a meeting concerning the new policies on July 10. "Further opening-up is the path we should take."

"Embracing the smart revolution, enterprises can effectively improve the production efficiency and offer better services," Liu added. "For instance, chatbots are helping combat some of today's biggest customer service challenges. Chatbots are able to learn knowledge up-to-date and offer services 24 hours a day, seven days a week, helping reduce the labor costs and better cater to the customers."