regard or treat as particularly valuable or important
高度评价；高度重视
he put a premium on peace and stability.
他高度重视和平与稳定。
More valuable than usual, as from scarcity
非常宝贵的：因稀缺而比寻常更为有价值的
Fresh water was at a premium after the reservoir was contaminated.
在水库被污染之后，清水便因稀而贵了