财政部计划偿还约十五亿八千万美元的联邦债务。

The Treasury plans to pay down about $1.58 billion on the federal debt.

《柯林斯英汉双解大词典》

在此之前，沙特阿拉伯(Saudi Arabia)的评论称，它计划在未来十五年内通过核电生产四分之一的电。

This followed comments from Saudi Arabia, which said it planned to generate up to a quarter of its electricity from nuclear power within the next 15 years.

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然而，即使一切都按计划进行，印度也要花费十五年的时间成为野生兀鹫的安全天堂。

Even if all does go well, though, it could take 15 years for the country to become safe for wild vultures.

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