rareness

例句：

1. 1. The rare species of bird is found only in a few areas of the world.
   这种稀有的鸟类仅在世界上的几个地方发现。
2. 2. The rare mineral has been discovered in remote areas.
   这种稀有矿物已在偏远地区被发现。
3. 3. Rareness is often associated with beauty and value.
   稀有性往往与美丽和价值相关联。