up-to-dateness

1. The public is taught that up-to-dateness is one of the first duties of man. Docile, it accepts the reiterated suggestion.
   公众被教育说保持时尚是人类首要的责任之一，驯服的公众接受了这个一再被重申的启发。

noun

1. the property of belonging to the present time
   1. the currency of a slang term

   Synonym:    currentnesscurrency