Microsoft has created the world's quietest room in their Washington state headquarters.
원문출처 : https://www.cnn.com/videos/cnnmoney/2018/04/10/worlds-quietest-room-microsoft-nr.cnn
원문출처 : https://www.cnn.com/videos/cnnmoney/2018/04/10/worlds-quietest-room-microsoft-nr.cnn