priceless

adj.

无价的；极贵重的；非常有趣的；极荒谬的

n.

非卖品；

priceless treasure无价之宝

1. The priceless painting was her great treasure.
   这副无价的油画成了她最珍贵的东西。
2. He has a large priceless collection of paintings.
   他有一大批无价的绘画收藏品。

Priceless
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Book:Priceless:On Knowing the Price of Everything and the Value of Nothing
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Pricing the Priceless Child: The Changing Social Value of Children. By Viviana A. Zelizer. (New York: Basic Books, 1985. x + 277 pp...