When dealers purchase the debt, cash shifts from their reserves accounts to Treasurydeposits at the Fed, where they remain, unspent.
券商买进国债，现金从券商的储备金账户美联储的国库存款，这笔存款一直没有动。
2
Then the first bank run in Britain since Victorian times was stopped only when the Treasury guaranteed all the deposits at beleaguered Northern Rock, the country's fifth-biggest mortgage lender.