The White House says President Barack Obama is considering four options, which range from following General McChrystal's advice to sending as few as 10,000 to 15,000 troops.
VOA: standard.2009.11.12
Well, there's kind of general advice on this that's born partly on science but partly on philosophy of eating and foods and things like that.
这里有一些常规建议,这些建议部分基于自然科学本身,部分基于饮食哲学等等
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