Poverty must not be a bar to learning, and learning must offer an escape from poverty.

贫穷不是学习的障碍，学习才会摆脱贫穷。

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When you cross the finish line you'll be given a bar code and you take this to one of the run volunteers, who will scan it.

当你冲过终点线时会得到一个条形码，你把它交给其中一个赛跑志愿者，他会扫描这个条形码。

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Until there is evidence that the benefits of a daily dose of alcohol outweigh the risks, most people won't be able to take a doctor's prescription to the neighbourhood bar or liquor store.

除非有证据表明每日饮酒的益处大于风险，否则大多数人都无法凭医生的处方到附近的酒吧或酒类商店去买酒。

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It's going to be my sort of simple implementation of a progress bar.

它将是一种我的,简单的执行进度条。

哈佛公开课 - 计算机科学课程节选

Asked to define a commercial loan, Mr Yates said it was an important point, as lending money to a political party should not be a bar to being nominated for a peerage.

BBC: NEWS | UK | UK Politics | Key points: Cash-for-honours hearing

Future forestry concessionaires will be obliged to attach a bar code to each tree they fell (and the stumps they come from).

ECONOMIST: Forestry

On the other hand, because the path to extremism so often involves the renunciation of everything in one's own background, material comfort and a liberal upbringing seem to be no bar to the development of a terrorist.

ECONOMIST: Muslim extremism in Europe: The enemy within | The