The other important variable is the interest rate: the higher the interest rate, the heavier the debt burden.

其他重要的可变因素还有利率：利率越高，债务负担越重。

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Another concern for countries that rapidly issue debt is that the interest burden will increase and, therefore, more tax dollars will be allocated just to cover the interest rate.

对快速发债国家的另一担忧是利息负担会加重，因此，只为支付利息就要拨款更多的税收美元。

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The higher the growth rate of the GDP, the smaller the burden represented by a given amount of debt.

GDP增速越高，一个既定的债务量带来的负担就越小。

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Homeowners need to recognize that when they vote for a local bond deal or tax rate increase, the resulting financial debt burden may ultimately fall on their children.

FORBES: Cook County, Illinois Treasurer Warns U.S. Homeowners And Retirees Of Local Debt Hazards

In the short term, a simpler explanation may be that a low savings rate has left American consumers with a heavy debt burden.

ECONOMIST: Has the tide turned for corporate profits?

The president and many in Washington are complacent because, thanks to the Fed's unprecedented near-zero interest rate policy, the burden of servicing the debt today is just 0.9% of GDP, the lowest level in over five decades.

WSJ: Phil Gramm and Steve McMillin: The Debt Problem Hasn't Vanished