at a premium

基本解释

You can also buy domains cheap and then sell at a premium.
你也可以购买便宜的域名，然后溢价出售。
The hope is still that as markets recover, AIG can sell the crown jewels of its insurance business at a premium to book value.
希望仍寄托在随着市场的复苏，AIG可以以优于账面的溢价出售其保险业务的精华部分。
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.
当其它国家必须用你的货币进行交易，必须储备你的货币以保护其本币价值时，你的证券就可以溢价销售。

"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.
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If they fall, you can then sell it in the open market at a premium.
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US-based Owens Corning (NYSE:OC) is the only pure-play exception, but trades at a premium.
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