I'll sell at a discount in return for a speedy sale.
为了尽快售出，我会打折销售。 

2.the central bank 中央银行

The Central Bank has lowered interest rates by 2 percent
中央银行已将利率调低了两个百分点。

3.set up 建立

They set up a working party to look into the issue.
他们设立了一个特别工作组来调查这个问题。

4.by the end of the year 年底；年末

Almost three in four clinics say they face closure by the end of the year.
几乎有3/4的诊所说年底前要面临歇业