It may be that the brain, when it revisits material at a later time, has to relearn some of what it has absorbed before adding new stuff - and that that process is itself self-reinforcing.

也许是因为大脑在再次复习资料的时候，必须要重新学习一些它已经吸收的东西才能添加新的内容——这个过程是大脑的自我强化记忆。

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In essence, we have been provided not only the means to be more free, but also to become new, to create and project a more perfect self to the world.

本质上，我们不仅借此以获得更多自由，同时也从中获得新的自我，我们可以创造更为完美的自我，把它呈现给外部世界。

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For old and new media alike this may be a cultural shift in how we use and understand media, a glasnost that comes with everyone's ability to self-publish.

对于新老媒体一样，这是我们如何理解媒体的一次文化转换，我们是和大家一同展示大家都有能力自我展示的东西。

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Business minister Viscount Younger of Leckie insisted Culture Secretary Maria Miller would "not shy away" from a press law as a last resort if a new system of self-regulation could not be made to work, but was "committed to a non-statutory route".

BBC: Tory plans for royal press charter attacked

But if Labour is returned to power next year with its majority and self-confidence much reduced, it will be time for a new Conservative leader to rediscover some old ideas.

ECONOMIST: British politics

All it really needed to be whole aside from additional purchases of existing weapons was a new self-propelled howitzer (cannon) and a new scout helicopter.

FORBES: How The Army Missed Its Chance To Modernize