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Some companies are offering deep discounts to attract shoppers.
»The book is now being sold for $17.99, a deep discount from the $34.99 suggested list price.
at a deep discount »The bonds are zero-coupon securities, which are sold at a deep discount compared to face value.
deep-discount retailers
deep discount security — ценная бумага с глубоким дисконтом
The old securities would not have been deep discount securities.