ratchet purchase
常見(jiàn)例句
- The Fed's decision Wednesday to ratchet up the purchase of mortgage-backed securities underscores its willingness to keep spending.
美聯(lián)儲(chǔ)周三決定加大收購(gòu)抵押貸款支持證券，表明了該機(jī)構(gòu)繼續(xù)支出的意愿。
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