究其原因在于网格结点的放置位置。
究其原因在于市场背景不同、假设不同、数据不同等。
The reason lies in the background of different markets, different assumptions, different data and so on.
究其原因在于提出的建议和采取的措施没有切中经费短缺问题的要害所在。
The reason why it did not work is that the Suggestions and the measures made have not hit the point.
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