本期内容：

The European Central Bank doubled down on its negative rate policy on Thursday, meaning banks will now have to pay 0.5% interest simply for depositing much of their spare cash with it - an attempt to make them lend more to kickstart the economy. While such a policy is widely considered valid only for economies in Europe and Japan with chronically low inflation and weak growth, the idea is attracting other supporters elsewhere - not least U.S. President Donald Trump, who has labeled U.S. central bankers "boneheads" for not resorting to it.

double down on: 对某事的努力加倍；变本加厉；加倍下注
deposit vt. 放置；存放；将（钱）存入银行
· I deposited a book on my desk.
我把一本书放在桌子上。
much of: 大部分
· I lay awake for much of the night.
我大半夜都没睡。
spare cash: 闲置资金
· spare time: 空闲的时间
· spare room: 闲置的房间，客房
kickstart vt. 促使……开始；使（项目）尽快启动
· improve/boost/kickstart the economy: 刺激经济增长
chronically adv. 慢性地，习惯性地，长期地
label vt. 贴标签于；（尤指不公正地）把……称为
resort vi. 诉诸；求助于；依靠
· 常用搭配: resort to sth.
· We may have to resort to using untrained staff.
我们也许只能使用未受过训练的员工了。

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