句话意思：我想2014年是关键的一年,这一年将决定伊朗是否走上战略性改变的道路.
这句话中,course是:进程、道路的意思.
另外：
change of 某某的改变
This change of the state is a physical change.这种状态的变化是物理变化.
change for
转车去…
We must change at the next station for Chicago.
我们得在下一站换车去芝加哥.
好转〔恶化〕
I hope the weather will soon change for the better.
我希望天气很快好转.
(把…)换成,(以…)交换
I'd like to change this dress for one in a larger size.
我想把这件衣服换成大号的.
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再答： 2013���������˵�Ǵ����һ�ꡣ change:�� for:��...��˵�� ����change for����һ�������ˡ�
再问： ��ʦ�������ٰ�����ϸ����һ�� whether Iran is on a strategic change of course ��仰�� is on a ������course ���� strategic change�� strategic ������ change ���� course��
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