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"Every day of the Summer Olympics' schedule is almost fixed, while the winter schedule depends on accurate weather data to decide whether a competition will be canceled or not," he said.

"Digitalization has changed businesses in various ways," he said. "We are seeing some businesses disappear or evolve over time, but in the meantime the creation of new brands and types of operational modes are pushing some traditional roles out of the market."

"Even during the ongoing disaster, the Chinese government along with its private sector provided great relief to the victims," he added.

"Every day I had lots of customers phoning in to ask where their parcels were and I had to go through different carriers' websites to check. E-commerce platforms didn't have the capability to collect tracking information from hundreds of carriers flying around the globe. I had to employ over 10 staff just for customs-related services and the cost of labor was high."

"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.