Some Treasury bonds issued before 1985 did have call provisions, however, so you need to watch out if you buy these bonds in the secondary market.

但是，一些在1985年前发行的国债有赎回条款，所以你需要注意你是否在二级市场上买了这些债券。

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Treasury securities cannot be redeemed before maturity and do not have call provisions.

国债在到期之前并不能被赎回，也没有赎回条款。

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We call an instrument of the U.S. Treasury with a maturity less than or equal to one year--we call that a bill and they used to be the only discount bonds issued by the U.S. Government.

我们把期限小于或等于一年的,国库券品种称为短期国库券,它们曾是美国政府,唯一发行的贴现债券

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But reasonably sophisticated investors can create the same product themselves by purchasing a risk-free zero-coupon Treasury bond and call options on a stock index, such as XSP options traded on the Chicago Board Options Exchange.

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Officials from the National Security Staff, USAID, the State Department and the Treasury Department walked call participants through the ways American citizens can donate to the relief efforts without violating the sanctions that are currently in place.

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The Treasury was quick to call for further wage restraint in both the public and private sector.

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