a. 无价的, 无法估计的
s beyond calculation or measure
1.A man of your capber will be of inestimable use to us.
像您这么有才干的人 将会是我们的无价之宝
2.I wanted to thank you for your inestimable service you rendered me the other night.
我想感谢你 那晚英勇无私的救了我