Most college papers require you to have an idea, then to spend some time thinking about it, and polishing it.

大部分大学论文要求你要先有一个想法，然后花时间去思考，去修改。

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On weekends, some nail "technicians" can be seen filing, polishing and pounding the hands and feet of customers on the sidewalks of Orchard Road, the city's main shopping street.

每逢周末，大城市的购物街上到处都是所谓的“美甲师”在路边为顾客美化手指甲或脚指甲。

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Cleaning some bugs and polishing some gnome updates, and trying to work more with upstream.

清理了一些错误并处理一些gnome更新，并试图与上游进行更多的合作。

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Yet for all this success, go out on China's teeming shopping streets and Lenovo's brand still seems to need some polishing.

BBC: Rory in China: Lenovo's quest to be cool

Despite some polishing from big-name screenwriters John Lee Hancock ("The Blind Side") and Hossein Amini ("Drive"), Evan Daugherty's screenplay is more functional than fun.

CNN: Review: Theron gives new 'Snow White' film some spine

Mr Mahoney, who sold cleaning products to the school and knew Mr Huntley as Ian Nixon, told the court he went to show him how to use some floor polishing materials.

BBC: NEWS | UK | Huntley 'thought girls were dead'