Its median age is now 33, up from 26 in May 2008, while the average Twitterer is still 31, a figure that has remained stable over the past year.

其用户的中位数年龄是33岁，而在2008年的5月时是26岁，而Twitter用户的平均年龄依旧是31岁，自去年以来没有变化。

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But, even with such a excellent and stable track record, RTM has made some significant improvements in the past year with the most notable being their brand new iPad app.

然而，即使RTM有着一个完美、稳定的成功轨迹，去年它又有一个巨大的进步，那显著的成就是，RTM成为iPad的程序应用之一。

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A stable marriage has the same emotional value to a husband or wife as a salary of ?65, 000 a year, it was claimed yesterday.

据说，一段稳定、幸福、美满的婚姻给丈夫或妻子带来的精神上的满足感相当于一份年薪65000英镑（约合69万人民币）工作的所带来的快乐。

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The government has a target of the end of the year to bring the plant to a cold shutdown, when the reactors are stable and the water inside them is no longer boiling.

BBC: Japan MP Yasuhiro Sonoda drinks Fukushima water

The number of new infections in adults has stayed broadly stable for the past four years - at about 2.5 million new cases a year.

BBC: Further big drop in new HIV infections among children