at a premium

副词 at a premium:

1. of high value (usually because of scarcity) or above par value

1. Honesty is at a premium in this profession, I'm afraid!
   依我看，干这一行诚实的人实在难得！
2. Space is at a premium in this building.
   在这个建筑物里场地面积十分昂贵。
3. Shares are selling at a premium.
   股票按超出票面价值出售。
4. During the holiday months hotel rooms are at a premium.
   在度假的月份，旅馆房间的价钱比平常高。