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她已经欠下了一大笔电话费。

She had run up a huge phone bill.

《牛津词典》

英国宣布将免除英联邦内较为贫穷的国家欠下的约2亿英镑债务。

Britain has announced that it is to cancel about 200 million pounds' worth of debts owed to it by poorer Commonwealth countries.

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But that's also nice, it lets you see how the recursive thing is simply unwrapping but the complexity in terms of the amount of time it takes is going to be the same.

它让我们看到了，在复杂度依照时间总数来看,没有变化的情况下,递归是怎么一步步的展开的,我欠你一个糖，谢谢。

麻省理工公开课 - 计算机科学及编程导论课程节选

and that can be something that you pay off for a long time.

可能毕业后的很长一段时间内都在偿还欠下的贷款。

拿全额奖学金 - SpeakingMax英语口语达人