旧瓶装新酒 (舊瓶裝新酒) jiù píngzhuāng xīn jiǔ

jiù píngzhuāng xīn jiǔ phrase new wine in old bottles; new concepts in an old framework
Domain: Modern Chinese 现代汉语 , Subdomain: Food and Drink , Concept:
Notes: (CC-CEDICT '舊瓶裝新酒')