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"Delivery drivers constantly go through alleys and streets. They can serve as mobile patrols for the urban management department," Guo said. "Their participation will improve the efficiency of city governance."

"During this critical juncture, we need to discuss China's experience and how it can be tapped as a reference to fight COVID-19," Huang said.

"Fee collection must be governed by law and further regulated," said Liu Shangxi, head of the Chinese Academy of Fiscal Sciences.

"Dada Group is rooted in supermarket O2O and grocery delivery, and has proposed the best solution -- omni-channel business aggregation platform and fulfillment system," said He Huijian, its vice-president."The core of retail is efficiency and shopping experience. And it is the mission of Dada Group to help retailers to develop e-commerce efficiently and provide consumers with the best shopping experience."

"Decisionmakers of the companies ought to have clear minds about the markets they are in, and make timely adjustments if there exist any weak point in management structure," said Bai Ming, a researcher with the Chinese Academy of International Trade and Economic Cooperation.