discount from the price

基本解释

To discount 15% from the price of a clothes.
按照衣服的價格打八五折。
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Some books also can be purchased at a large discount from the cover price.
其中，有些書也能在線購買，不過折釦價遠遠低於封麪上標注的價格。
But even if that turns out to be too optimistic, both theory and evidence make it reasonable to expect a significant discount from the sticker price.
但是，雖然事情看起來很樂觀，現有的理論和証據還是預示著稅收收入將有較大幅度的下降。

Effectively, you get interest from this because it's sold at a discount, so the price that you pay is equal to one hundred minus the discount.
實際上,你仍然從中獲得利息,因爲債券是打折出售的,所以買入價,等於一百減去折釦
耶魯公開課 - 金融市場課程節選
Well, there's a formula that's been used by bond traders for hundreds of years and it's a traditional expression, which goes from the discount rate to the price.
這裡有個債券交易商,用了上百年的公式,這是個傳統表達式,它能用折釦率算得價格
耶魯公開課 - 金融市場課程節選
So, how do we get the price from the discount rate?
那我們怎樣才能從貼現率得到價格呢
耶魯公開課 - 金融市場課程節選

This represents a 70% discount from the previous price.
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