It's been nearly two years since China shut its international borders as part of its efforts to keep Covid-19 out.
원문출처 : https://www.cnn.com/2021/11/14/china/china-border-closure-inward-turn-dst-intl-hnk/index.html
원문출처 : https://www.cnn.com/2021/11/14/china/china-border-closure-inward-turn-dst-intl-hnk/index.html