n. (u.)不可數名詞流行;流通;通用This ideas have gained currency recently
n. (u.)不可數名詞貨幣Each country has its own currency: yen, dollars, euros, etc.
n. (u.)不可數名詞數位貨幣Bitcoin is a type of digital currency
n. (u.)不可數名詞時事性;現時性The currency of the information in this book is questionable, as it was written 20 years ago