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2. Shortcomings of market cognition and talent reserve3. Unmanned shops, hotels and banks: a new form of service upgrading.1. Coping with the problem of population loss and labor cost

2. Driverless driving: the pioneer of traffic change1. UAV: a generalist in the sky3. Unmanned shops, hotels and banks: a new form of service upgrading.

3. Promote the development of emerging industries2. Enhance the competitiveness of traditional industries