贴息的英文：
1. discount
2. interest subsidy

参考例句：

One percent of the total principal of a loan, paid up front to the lender and considered separately from the interest.
贴息一笔贷款的总本金的百分之一，预先支付给借出一方，并和利息分开考虑

discount是什么意思：
n. 打折扣；贴现
v. 打折扣；将…贴现；贴现；漠视，低估，贬损

This is the a banker discount.
这是一笔银行贴现。

discount what he said
不全信他说的话

accept a statement with some discount
不全信一种说法

interest是什么意思：
n. 兴趣；趣味；利息；利益；产权；利害关系；行业；势力
v. 使感兴趣；使参与

Interest will not lie.
兴趣不会说谎。

He had both fractional interests and majority interests.
他兼有零星的股权和大宗股权。

He had both fractional interests and majority interests
他兼有零星的股权和大宗股权。

subsidy是什么意思：
n. 补助金，津贴

governmental subsidy
国库补助金

Subsidy Agreement [Home Purchase Loan Scheme]
按揭还款补助金协议〔自置居所贷款计划〕

This industry depends for its survival on government subsidies.
这个行业靠政府津贴而得以维持。