Meteorologists learned long ago that an accurate forecast or severe weather warning is useless if it doesn't reach its intended audience. The same is true for public health guidance.
원문출처 : https://www.cnn.com/2020/12/12/opinions/biden-wireless-emergency-alert-coronavirus-stillman/index.html
원문출처 : https://www.cnn.com/2020/12/12/opinions/biden-wireless-emergency-alert-coronavirus-stillman/index.html