Four years ago they began performing in the car park of one of Kinshasa's posher rooftop restaurants, hoping that rich patrons would chuck spare cash into a pot on their way out.

四年前他们几个在金沙萨一个时髦的屋顶餐馆的停车场上开始了表演生涯，希望阔主子们出出进进时能往小罐里赏赐点钱。

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Sleepwalkers are capable of performing a variety of activities, from simply getting up and walking around the room to driving a car or playing an instrument.

梦游者可以做出很多不同的动作，从简单的起床在房间里四处走动到驾驶汽车或演奏乐器。

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Muscle cramps and spasms prevent about a third of them from performing simple tasks such as unscrewing a lid, getting dressed or climbing out of a car.

肌肉痉挛和抽搐使他们中三分之一的人无法进行打开瓶盖、自行穿衣或走出车厢之类的简单活动。

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The image of a quirky, poor performing electric car is falling.

FORBES: Game Changer for Tesla

That intelligence helped mechanics know how the car was performing and allowed them to plan better for the maintenance they'd do when it stopped for refueling.

FORBES: The Indy 500 Goes Wireless

But the Mexican economy has proved resilient, with manufacturing performing well, especially the car industry.

BBC: Felipe Calderon in December 2010