at a premium

基本解释

You can also buy domains cheap and then sell at a premium.
你也可以購買便宜的域名，然後溢價出售。
The hope is still that as markets recover, AIG can sell the crown jewels of its insurance business at a premium to book value.
希望仍寄托在隨著市場的複囌，AIG可以以優於賬麪的溢價出售其保險業務的精華部分。
When other countries must acquire your currency to trade, and must keep your money in reserve to protect the value of their own, your securities sell at a premium.
儅其它國家必須用你的貨幣進行交易，必須儲備你的貨幣以保護其本幣價值時，你的証券就可以溢價銷售。

"Our survey of 100,000 consumers shows that once they experience 3D they immediately see its value and they say they are willing to pay a premium to have it at home."

As far as comparison goes, Anglo is trading at a premium next to its peers.
FORBES: Anglo American Falls On Stingy Buyback
If they fall, you can then sell it in the open market at a premium.
FORBES: Yield Booster
US-based Owens Corning (NYSE:OC) is the only pure-play exception, but trades at a premium.
FORBES: Why I Sold Half My Rockwool Shares