Look at the bus stop. Number 99c, the free circling bus in the city. Sometimes I take this bus to school.

公交车站牌，99c，这辆车是市内环线，全程免费，有时候我会搭这辆车去学校。

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The truce did not last long. In the weeks that followed, a number of attempts were made to stop or arrest the leaders of the Free State government.

VOA: special.2009.05.07

We'll think about it in section, how you don't need to vaccinate everybody, but you just need to vaccinate a critical number in order to stop the disease from progressing through a community.

我们在讨论会上讲这个,为什么不需要给每个人都接种,但你只需要让接种人数达到一个临界值,就能阻止这个疾病在社会中传播

耶鲁公开课 - 生物医学工程探索课程节选

Today,the number is still 40 percent. Part of the problem is that a number of big importers, such as China and Japan, are not doing enough to stop the import and sale of illegal timber.

VOA: standard.2010.07.28

The demand for a free service, by Tory health speaker Jackson Carlaw, comes as Westminster moves to introduce a free, one-stop number in England and Wales.

BBC: Tories call for NHS 24 to be a freephone service

He said gritters were eventually sent out but it was too late to stop a number of crashes across the county.

BBC: Snow in Bicester

Ben Cairns almost exploited a slip by McFadden but the Leinster centre chased back to stop his opposite number from crossing the line.

BBC: Edinburgh 27-16 Leinster