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"Enterprises that are not familiar with the aerospace sector, or those that started late with a slow launch frequency, may not be able to get the right frequency and orbit resources."

"Due to the internet, they have huge access to information. They are no longer talking in terms of bringing in expertise, because now they're using expertise."

"Despite the improvement in epidemic control worldwide, many countries' recent plans for reopening markets may bring about a second wave of COVID-19 cases, which may pose new threats to the global economy's recovery in the future," Liu said. "Due to the epidemic's impact and the lack of new momentum, the world will continue to experience an economic slowdown this year."

"Even for the first 100 moves it was the closest game we've ever seen anyone play against the upgraded version of AlphaGo," Demis Hassabis, chief executive of Google DeepMind, said at a postgame news conference.

"Everybody can sell air purifiers when you have PM2.5 at 300 outside for two weeks, because it does not need a great company to achieve that," said Frank Hammes, CEO of Swiss air purification provider IQAir.