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"Google once found using big data that the more French fries were consumed in the canteen, the poorer its staff behaved, that's why they cut the junk food out of the menu and provided more fruit and vegetables."

"For one thing, the diversified demands of consumers in different regions of China are not sufficiently satisfied. For the other, many consumer markets are decentralized and lacking top products or better services, which suggests more space for companies to explore," Xie said.

"For instance, the drone can remain afloat at sea to tow sonar to detect submarines and move rapidly to other areas to continue the search," Liu said.

"Greenways provide the right environment for cycling and walking. Once people experience healthy ways of getting around, it will be easier for them to maintain a greener lifestyle," Zhao said.

"Fiscal policy must play a central role in mitigating the social and economic impact arising from the COVID-19 pandemic while at the same time providing the needed impetus to achieve a reactivation of economic activity that would help steer the region towards sustainable and inclusive development in a post-COVID-19 world," the United Nations agency said in its latest report.