Prices are set at 30% of the cover price.

这些书按定价的三折出售。

Some books also can be purchased at a large discount from the cover price.

其中，有些书也能在线购买，不过折扣价远远低于封面上标注的价格。

I have told you not to take these gossip magazines too serious. The only thing you can believe is the cover price.

我都跟你说过别把这些八卦杂志太当回事儿。这些八卦杂志唯一可信的就是它封面上的标价。

The 60-page prologue is packed with telling facts and sophisticated analysis, and alone is worth the steep cover price.

六十页长的序言既阐述了事实，又做了深入的分析，单就序言而言这本书已经物有所值。

All but a handful of papers offer their content free online, so they immediately surrender the cover price of a print copy.

除了报纸，其他的内容在网上都是免费的，所以他们很快就放弃了那些印刷品。