无价之宝

例句：

1. 1. This ancient artifact is considered a true treasure of our culture.
   这件古代文物被认为是我们文化的真正珍宝。
2. 2. The family has been searching for this lost treasure for years.
   这个家庭已经寻找了多年的失落宝藏。
3. 3. The story of the lost treasure has captivated readers for generations.
   关于失落宝藏的故事吸引了几代读者的注意。