许多人认为蒙娜丽莎是无价的艺术珍品。

Many consider the Mona Lisa to be an invaluable art ___treasure.

基于所有这些原因，我相信某些物品对我们来说变得珍贵如宝。

For all these reasons, I believe that certain objects become valuable ___treasures to us.

据说沉船中装有遗失的宝藏。

The sunken ship was said to contain lost ___treasure.