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"Even though conducting environmental protection activities and raising public awareness are not an overnight thing, adopting renewable sources to generate power can make new attempts to improve the environment of sustainability," said Lin Boqiang, director of the China Center for Energy Economic Research at Xiamen University.

"Doing meaningful things makes me feel valued and positive and I would like to dedicate myself to this career," she said.

"Demand for the XC40 has exceeded our most optimistic expectations," Volvo CEO Hakan Samuelsson said in an interview at the time.

"Expansion into overseas markets could not only relieve the pressure of high inventory in the domestic market but increase the international influence of Chinese home appliance companies," Dong explained.

"Developing a vaccine usually takes more than a decade, so the fact that we were able to condense what usually takes years into months is a major victory," he said.