问题描述：
commit a portion of是什么意思啊?
to commit a portion of 在下面的句子中是什么意思?谢谢谢谢~!
Mr Annan spoke to a meeting of representatives of 20 nations that have committed a portion of their armed forces to be available for immediate deployment in UN peacekeeping operations anywhere in the world.
to commit a portion of 在下面的句子中是什么意思?谢谢谢谢~!
Mr Annan spoke to a meeting of representatives of 20 nations that have committed a portion of their armed forces to be available for immediate deployment in UN peacekeeping operations anywhere in the world.
问题解答：
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