プログレッシブ和英中辞典(第３版)の解説
やみそうば【×闇相場】
a black-market price
- やみ相場で入場券を売る
sell admission tickets at a black-market price／((米)) scalp admission tickets／((英)) tout admission tickets - やみ相場では2倍の値だ
It is twice as expensive on the black market.