Ever have friends over who go on your PC and fiddle about with your Settings and move your files around?

曾经拥有操作你的计算机并且搞乱你的计算机设置同时到处移动你的文件的朋友吗？

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Mr Brown, instead, seems determined to fiddle about with the market, chopping and changing the business tax regime to no obvious effect.

ECONOMIST: Business and competition

Whatever he does about the overall tax burden, Mr Brown may well fiddle with individual taxes.

ECONOMIST: Mr Brown��s surprise package