true annual percentage rate

true annual percentage rate　真正百分比年利率　

The annual rate that is charged for borrowing（or made by investing），expressed as a single percentage number that represents the actual yearly cost of funds over the term of a loan.This includes any fees or additional costs associated with the transaction.The effective APR has been called the“mathematically-true”interest rate for each year.It is the fee plus compound interest rate（calculated across a year）.