Racing facts: In World Cup racing how many gates exactly match a 17m or 12m radius turn?Sometimes one, often none.

竞赛实情：在世界杯赛中，有多少旗门是准确的17米或12米半径弯道，偶尔有一个，甚至一个也没有。

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Serial bullies have few communication skills (and often none), thus the impersonal nature of email makes it an ideal tool for causing conflict.

连环欺负者具有很少的沟通能力(往往是没有)，因此电子邮件所具有的非个人色彩性质让它成为了引起冲突的理想工具。

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It is also giving parents much greater flexibility in their working life, where previously they often had none, or indeed little incentive to work at all.

BBC: NEWS | UK | Politics | Full text: Blair on public services

That doesn't mean it's easy, of course: Even swimmers who are proficient enough in all the strokes to compete in the medley often shine at none of them alone.

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Too often, directors have none of their own money at stake, and look to take on directorships in order to supplement their own income.

FORBES: How to Ensure Strong Boards and Proper Accounting Standards in China