基本解释

• [经济学]追溯交款

英汉例句

权威例句

• If new schools join the plan, you get retroactive benefits--your previous contributions lock in whatever tuition the new school charged when you invested, at a discount equal to the median discount schools in the plan offered that year.
  FORBES: Pay Now, Learn Later

专业释义

经济学

• 追溯交款