Most of us forget all about hotel Do Not Disturb signs until the 10 a.m. housekeeping knock disturbs our jet-lagged slumber and we realize, too late, that it's hanging on the wrong side of the door.
원문출처 : https://www.cnn.com/travel/article/hotel-do-not-disturb-signs-collection/index.html
원문출처 : https://www.cnn.com/travel/article/hotel-do-not-disturb-signs-collection/index.html