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"For older generations, men and women are more like two rabbits. The more difficult life is, the closer they get and cuddle with each other," Pan said. "Today's young people are more like hedgehogs."

"From helping small store owners streamline their supply chains and increase stocking efficiency, to speeding up checkouts, this is a massive jump beyond anything in use today," Ma added.

"Guidance needs to change and needs to be clear that these nonmedical, nonsurgical masks are beneficial to the general public and should be worn when outside of the home," Robert Hecht, a professor of epidemiology at the Yale University School of Public Health, said in an article published Monday on politico.com.

"Going forward, there might be measures to bridge the income gap between urban and rural citizens, although the latter have less pressure in housing and education, and enjoy more disposable income," Yang predicts.

"Fishskin is as soft as that of any other animal. Its beautiful colors reflect the magnificence of the sunlight. Make clothes and socks with it, it's the brocade bestowed on fishermen." This is how Shen Zhaoshi, a poet from the late Qing Dynasty (1644-1911), praised the beauty and practicability of fishskin.