adj.无价的；非常珍贵的
But the experience they will gain is invaluable. 但他们从此获得的经验是无价的。
His experience proved an invaluable help. 他的经验被证明是无价之宝。
The painting is an invaluable treasure. 这幅画是无价之宝。
He has many invaluable paintings. 他有许多珍品画。
Your help is invaluable to us. 你对我们的帮助是非常宝贵的。
