the lender of last resort

基本解释

On the other hand, as the lender of last resort only the Fed can inject money into virtually any type of firm; it might be good to give it corresponding authority to prevent abuse, too.
但另一方面，目前只有美联储可以给各式公司注款，如果它有权力防治滥用的话，当然是更好了。
'The Government of Last Resort is working with the Lender of Last Resort to shore up the housing and credit markets to avoid Great Depression II,' economist Ed Yardeni wrote to clients.
经济学家埃德? 亚德尼(Ed Yardeni)对客户说：“能在最后时刻施以援手的政府部门（财政部）正与最后的贷款机构（联邦储备委员会）合作支撑住房和信贷市场，以避免出现第二次大萧条。”
She is against allowing the ECB to become the lender of last resort, aka printer of money.
她反对让欧洲央行成为最后贷款人，也就是说，不允许欧洲央行印钱。

Moreover, the ECB remains adamant that it cannot intervene as the lender of last resort to euro-zone sovereigns.
ECONOMIST: Britain had a bad summit, but the euro zone had a worse one
Morgan in the pre-Fed era, the Fed was the lender of last resort.
FORBES: Hoenig Says Fed Anti-Capitalistic, Taking Shortcuts To Greatness
The Fed is the lender of last resort, not a wholesale tinkering machine.
FORBES: Helicopters Throwing Fewer Dollars Is A Good Thing

最后贷款人
Nowadays, there are some defects, such as lacking of explicit duty and unclear regulations, in the lender of last resort system.
当前，我国的最后贷款人制度仍存在最后贷款人职责不十分明确、操作的法律依据不清晰等缺陷。