A city is China is giving tired travelers some peace of mind, launching a high-tech system that reveals when bed linen was last washed.
원문출처 : https://www.cnn.com/travel/article/chinese-laundry-hotel-sheets-scli-intl/index.html
원문출처 : https://www.cnn.com/travel/article/chinese-laundry-hotel-sheets-scli-intl/index.html