The selling price for cash transactions is the same as the spot selling rate for all quoted currencies, and the buying price for cash should not exceed 2.5% of its spot rate.

所有挂牌货币的现钞卖出价与现汇卖出价相等，现钞买入价，不得超过其现汇买卖中间价的2.5%。

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What they did instead of just-remember the Federal Funds Rate is a target interest rate that the Fed attempts to hit through buying and selling treasury bills in the U.S. or in other countries buying and selling government bonds to affect the market.

他们真正做的事-记住,联邦资金利率是,美联储试图通过在美国,买进和卖出国库券,或在其他国家买进和卖出政府债券,来影响市场的目标利率。

耶鲁公开课 - 金融市场课程节选

In times of less turmoil, the central bank generally only deals with primary dealers, a group of 20 big banks and brokerage houses with which the New York Federal Reserve conducts its open-market operations, buying and selling government securities to guide the federal funds rate.

FORBES: Magazine Article

He should put the ECB's money where his mouth is, selling euros and buying dollars to keep the exchange rate stable.

ECONOMIST: Brutal, in every sense | The

These involve selling short-term December 1999 interest-rate futures contracts and buying September 1999 and March 2000 ones, on the assumption that short-term rates will spike over the millennium because of extra demand for cash.

ECONOMIST: Nothing to fear but fear itself