1·But these demographic shifts set the boundaries for rich countries' medium-term future, including their ability to service their public debt.
但是，这些人口结构的变化为富裕国家的中期未来设置了障碍，包括他们偿还公共债务的能力。
2·Comparing amount of cash generated to outstanding debt, known as the operating cash flow ratio, illustrates the company's ability to service its loans and interest payments.
把已创造现金数额与未偿还债务作比较，也就是经营现金流比可以说明该公司偿债付息的能力。
3·With growth slowing, perhaps far more rapidly than official Chinese statistics show, the ability to service and sustain such debt is in question.
随着增长放缓(放缓速度也许远比中国官方统计数据显示的更快)，偿付并维持这些债务的能力便成了问题。
4·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。