"It needs to be fully vetted, and when it is then we'll determine a number that makes sense for the security and stability of Afghanistan, that the Afghan government and its people can sustain with the assistance of coalition partners,".

VOA: standard.2009.03.31

Well now we know what needs to be calculated in order to determine that.

现在我们知道我们应该,计算什么来回答这个问题。

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