例如，睡眠时间从20世纪50年代的8小时左右下降到近年来的7小时。

For example, sleep duration has declined from some 8 hours in the 1950s to 7 in recent years.

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这时从她右下方的悬崖下传出一个声音，“在这，妈妈！”

Off to her immediate right and down the cliff she heard, "down here, Mother!"

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此外，微软将大部分警报从右下角的系统盘中整合到了一个图标中，看起来没有那么频繁了。

Also, Microsoft has consolidated most of the alerts from the lower-right system tray into one icon, and they seemed less frequent.

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