When her son returned to virtual learning last week, Jana Coombs saw him struggling.
원문출처 : https://www.cnn.com/2020/08/25/us/covid-distance-learning-frustration-trnd/index.html
원문출처 : https://www.cnn.com/2020/08/25/us/covid-distance-learning-frustration-trnd/index.html