adj.無價的；非常珍貴的

But the experience they will gain is invaluable. 但他們從此獲得的經驗是無價的。

His experience proved an invaluable help. 他的經驗被證明是無價之寶。

The painting is an invaluable treasure. 這幅畫是無價之寶。

He has many invaluable paintings. 他有許多珍品畫。

Your help is invaluable to us. 你對我們的幫助是非常寶貴的。