Describes how an item's value or price significantly increases because it was used or endorsed by a famous or influential person.
自从那位著名设计师在时装秀上穿了一件普通毛衣后，同款毛衣立刻蒲扇价增，引得大家争相购买。
Ever since that famous designer wore a common sweater at the fashion show, the same style of sweater immediately saw its price increase, leading everyone to scramble to buy it.
Era:
Ancient
Frequency:
Story:
During the Jin Dynasty, Xie An, a man of exceptional talent, lived in seclusion on Mount Dongshan for over 20 years. He was widely renowned, and many people admired him.
A townsman, who had been dismissed from his official post in Zhongshu County, went to visit Xie An. Xie An asked him what local specialties he had brought back. The townsman presented Xie An with a cattail fan to use.
When the gentry and commoners in the capital saw Xie An using the cattail fan, they scrambled to buy them, causing the price of the fans to rise severalfold.
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