If you're tired, you can still stay up late if you're watching TV or on the computer.

如果你困了，但是如果你还在看电视或玩电脑，你还是能保持清醒。

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Researchers have verified the pattern that most parents have observed: sleep patterns change at puberty, and kids can't seem to get out of bed in the morning. But they still stay up late at night.

研究者们证实了大多数家长所观察到的情况：孩子的睡眠习惯在青春期时有所变化，尽管孩子们早上起不了床，他们在晚上依然精神抖擞地熬夜。

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He put some in his nose more or less out of curiosity, felt nothing, but was then astounded to find that he wanted to stay up all night writing music, and was still lively the next day.

他多少出于好奇地把可卡因往鼻子里塞了些，没感觉到什么，但是接着他发现自己竟一整晚不知疲累地想创作音乐，而第二天仍是神采奕奕，这让他大为惊奇。

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The Dons avoided relegation with a shock win at Wigan on Saturday but still needed a win to stay up.

BBC: SPORT | Football | English Div 1 | Wimbledon 1-2 Sunderland

India is a society steeped in the patriarchal tradition, where most women are still expected to stay at home, and bring up children.

BBC: Why are young Indians killing themselves?

Most of the subprime loans or what they call exploding ARM loans, where even if overall interest rates in the market stay flat, the borrowers' payments still jump up, often 40 percent or higher after a couple of years.

NPR: Senate Panel Studies Subprime Loan Woes