During the course of the year, we have built in several screen-free days that require us to make different plans for our students about how they will communicate with one another and the world around them without "screens".

在这一年中，我们已经安排了几个无屏幕日，这需要我们为学生制定不同的计划，涉及他们在没有“屏幕”的情况下如何与彼此和周围的世界交流。

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Yet even so, the Libyan operation would have been impossible without US involvement - both in actively bombing Colonel Gaddafi's air defences during the early days of the offensive, and in providing extensive intelligence and other support later.

BBC: Cameron faces sceptics with 'new interventionism' call