Students at Cambridge University are being offered cash to look after their drunken fellow undergraduates at May Balls and other nights out.

在五月舞会和一些夜晚聚会上，照顾醉酒的同学会得到剑桥大学提供的奖金。

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While ticks are unlikely to be encountered in open fields, children chasing balls off the field or cutting through woods to school may be entering a high-risk tick area.

虽然蜱虫不太可能出现在旷野之中，但是小孩在找球或者抄近路去学校时，有可能进入高危地区。

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For other bronze ball valves, vented balls may be available - see catalog specification sheets to identify what valves are available or consult factory.

对于其他青铜球阀，可能可以采用通风球-请参阅样本的规格说明，指定所适用的阀门型号或咨询工厂。

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However Ed Balls may be left asking the question asked by my colleague Stephanie Flanders - given the IMF's been suggesting for two years that the UK deficit reduction policy should ease if growth has slowed and given that it's slowed to below zero, then when will it be time to consider a change?

BBC: UK Politics

The debut of iPhone 5 and the fast fade of Blackberry devices may well throw some curve balls at corporate mobile managers in coming quarters.

FORBES: Major Shifts Ahead in Mobile Data Consumption?

Dr Brady thinks that the growing of rubber in the Aztec empire was probably much more extensive than had previously been thought, as was the production of balls, which may have served as the store of value for an entire economic system.

ECONOMIST: Sports anthropology