The drastic measures enforced by China during the coronavirus outbreak have slashed deadly air pollution, potentially saving the lives of tens of thousands of people, a Stanford University researcher said.
원문출처 : https://www.cnn.com/2020/03/17/health/china-air-pollution-coronavirus-deaths-intl/index.html
원문출처 : https://www.cnn.com/2020/03/17/health/china-air-pollution-coronavirus-deaths-intl/index.html