Firefox Mobile supports Firefox's add-on system, but it won't run regular Firefox add-ons right out of the box.

移动版Firefox支持扩展系统，但无法运行标准的Firefox扩展。

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The latest figures from the ONS show that, on average, the bottom 60% of UK households by income get more out of the system in benefits, tax credits and public services than they put back in the form of taxes in 2010-11.

BBC: Fairness and the welfare bill