资料来源 : Webster's Revised Unabridged Dictionary (1913)

Account book \Ac*count" book`\
   A book in which accounts are kept. --Swift.

资料来源 : WordNet®

account book
     n : a record in which commercial accounts are recorded; "they
         got a subpoena to examine our books" [syn: {ledger}, {leger},
          {book of account}, {book}]