英语翻译amortized cost held-to maturity securities are reported on the balance sheet at amortized cost.amortized cost is equal to the face value less any unamortized discount or plus any unamortized premium .什么是 amorized cost ,麻烦给解释下,能不能翻译下上面的的句子,感觉很迷惑呀!

英语翻译
amortized cost
held-to maturity securities are reported on the balance sheet at amortized cost.amortized cost is equal to the face value less any unamortized discount or plus any unamortized premium .
什么是 amorized cost ,麻烦给解释下,能不能翻译下上面的的句子,感觉很迷惑呀!