ability to service debt

基本解释

Extending its purchases along the yield curve is, partly, a sign of China's confidence in the US government's ability to service its debt.
沿着收益率曲线增加对美国国债的购买，在一定程度上表明中国相信美国政府的偿债能力。
Rising bond yields can themselves stoke worries about a country's ability to service its debt.
债券收益增加本身就会引发人们对该国支付债务利息能力的担忧。
To the extent that slow growth hurts tax revenues, and thus the ability to service public debt, markets may begin to take a less benign view of slow growers' bonds.
实际上，这两个问题是相互关联的，缓慢的经济增长会影响税收收入，从而使得偿还国债的能力受损，因而市场开始不看好经济增长缓慢国家的债券。

This is what led to the downgrade, not whether the U.S. had the ability to service its debt today.
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And the slump has undermined Argentina's ability to service its debt.
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Yet mitigating the risk of default is the fact that Ecuador's ability to service its debt has improved in recent months, as high energy prices, increased taxation of the oil sector and the state's take-over of Block 15 previously run by a US company, Occidental Petroleum (Oxy), are boosting the fiscal surplus and foreign reserves.
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