Historically, big financial crises have been followed by long periods of slow growth and economic malaise, and the recent crisis has been bigger than most.

在历史上，严重金融危机之后必定跟随着增长缓慢和经济不振，而最近的这次金融危机是有史以来最严重的一次。

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For quite a while this was masked by the growth of the audience share, followed by an ever-growing ad-dollar share, until, about two years ago, things started to slow down.

在相当长一段时间内，由于读者份额的增长，这一点被掩盖了，其次是不断增长的广告美元的份额，直到大约2年前，事情开始放缓。

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Exactly how fast and how broadly applicable gene therapies will make it to the masses remains to be seen, but it will likely follow a familiar path for emerging technologies: slow at first followed by exponential growth.

FORBES: Europe Takes The Lead Toward Approval Of First Gene Therapy Drug

That has led many economists to forecast a slow start to 2013, followed by faster growth in the second half.

WSJ: Economy Adds 157,000 Jobs