goldmine

goldmine — noun

1. something that can provide a large amount of money, useful information, or anoth

1.名詞B2
釋義

something that can provide a large amount of money, useful information, or another valuable thing, as if it were a mine full of precious metal

例句

The old bookstore turned out to be a goldmine of rare first-edition novels.

goldmine of [valuable items]

For archaeologists, the sunken ship was a goldmine of ancient artifacts and coins.

同義詞
  • treasure trove

    suggests a discovered collection of hidden valuables, often cultural or artistic

  • bonanza

    carries a stronger sense of sudden financial profit or windfall

  • mother lode

    emphasises an extremely abundant, almost inexhaustible supply of a specific resource

反義詞
  • dud

    something that fails to deliver any expected value

  • dead end

    a source that leads nowhere or produces nothing useful

用法筆記

Almost always followed by 'of' (specifying what is provided) or 'for' (specifying who benefits). The definite or indefinite article is common: 'a goldmine' or 'the goldmine'.

常見錯誤

❌This book is a goldmine' (vague — needs context).
✅This book is a goldmine of information about local history.
💡'goldmine' nearly always needs 'of' or 'for' to explain the value.