1.interest rate 利率

例句:The higher the risk of lending money, the higher is the interest rate demanded by the lenders

贷款的风险越高，贷方索要的利率就越高。

2.at the end of the year 年底

例句:He got double pay at the end of the year.

他在年底获得了双薪。

3.in return for 作为...的报答

例句:I'll sell at a discount in return for a speedy sale.

为了尽快售出，我会打折销售。

4.keep up 保持；继续

例句:Things are changing so fast, it's hard to keep up.

事情变化得太快了，很难跟上形势。