principal and interest

基本解释

Enclosed please find a new deposit certificate No. 500 for $100, 000, which represents the principal and interest of the old certificate you sent us for renewal.
謹同函寄上新開定期存款第500號存折一份，麪額100,000元，請查收爲荷。該麪額等於您寄來換新的舊存=折本金加上利息之和。
Factors giving security to principal and interest are considered adequate, but elements may be present which suggest a susceptibility to impairment some time in the future.
評爲A級的債券，具有多項有利於投資的性質，被認定爲中上水準的債券，有足夠的因素可保障本金與利息，但亦有因素顯示，在未來時間可能遭受損害。
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Payment for imports and repayment of principal and interest on international loans.
支付進口和償還國際貸款的本金和利息。

At the end of the loan upon your payment of the principal and of sufficient additional interest, John Milton, Sr., the goldsmith, would return to you the gold that you had entrusted to him.
在貸款期限到期時，在你支付了本金,和額外的利息後，金匠約翰彌爾頓會把你托付,給他的金幣還給你。
耶魯公開課 - 彌爾頓課程節選
Your mortgage payment is constant through time but the fraction of it that goes to paying off principal versus interest changes through time and it just changes as dictated by this formula.
觝押貸款每月還款是固定的,但是其中本金和利息的比例關系,會隨時間而改變,這是由這個公式所決定的
耶魯公開課 - 金融市場課程節選

In the home refinancing analogy, you are still responsible for your mortgage principal and interest payments.
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Finally, you could buy Treasury Inflation-Protected Securities (TIPS) whose principal and interest payments adjust with inflation.
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