因此一旦现金流不及利息支出所需，这些证券就面临重组——而持有这些债券的投资者将付出高昂代价。

So if the cash flows fall short of the interest payments, they need to be restructured — at a big cost to the investors who own them.

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例如，无论你是制作者或是使用者，要是你知道一个零票息债券10年内到期，你会如何利用隐含利率去计算出每期间的利息支出呢？

For example, as a preparer or user, knowing that a zero-coupon bond matures in 10 years, how do you use the implicit interest rate to compute the periodic interest expense?

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500强公司还通过降低利息支出实现了增效，包括用利润偿还债务以及以极低利率发行新债券这两种方式。

The 500 also reaped major rewards from lowering interest payments, both by tapping bigger earnings to reduce debt and by issuing new bonds at bargain rates.

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