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"By analyzing customers based on their movement among segments over time, we can achieve dynamic micro-segmentation, and predict future behavior in a very accurate fashion," he said.

"China always highly values the opening-up of its service sector and the development of service trade," said Zhao Wen, a member of the Standing Committee of the Chinese People's Political Consultative Conference National Committee. "Digital trade has become a new trend of the country's service trade."

"China has been pushing the digital Silk Road and sharing the benefits brought by digital transformation," said Lin Nianxiu, deputy director of the National Development and Reform Commission. "We have signed cooperation agreements with over 16 countries in the building of the digital Silk Road, and launched the Belt and Road Digital Economy International Cooperation Initiative with seven countries."

"But the future of this sector is promising," he added.

"Cash-constrained airlines will postpone their scheduled aircraft replacements. It is expected to be a long and slow recovery period after travel restrictions are lifted. As most aircraft are grounded, demand for flight hour and flight cycle-related maintenance has also disappeared," said Manfred Hader, senior partner of Roland Berger in Germany.