The secretary general would not say when the transition might start, how long it will take, or when it might be possible to start reducing the NATO troop commitment.

VOA: standard.2009.10.23

Well, for a thing called main which itself is a function but a function I wrote, a tool I am writing at the moment not like printf which someone else wrote long ago, I have to say where does main start, where does main end, and I do that by using these curly braces.

至于这个名曰main的函数,由我们自己写的函数，也是一个工具,只不过由我们自己编写，而不是像printf那样已经由前人写好了,我们必须要说明main在哪开始，在哪结束，这样我们就要用到大括号了。

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and coalition forces to the Afghans. Announcing an increase of 30,000 U.S. troops last week, U.S.President Barack Obama said they will begin to hand over security responsibility to Afghan forces by July of 2011, but he did not say how long the transition will take.

VOA: standard.2009.12.09