Because the arrows for the nodes point in only one direction, no modification to the data has to be made to use a sublist.

由于节点的箭头只指向一个方向，所以无需对数据进行任何修改就可以将其用作子列表。

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A still cleaner shift of direction, however, would entail an overall target to limit energy use-and by association set a peak for carbon emissions.

还有一个更绿色的转变，然而，这需要制定一个总体目标——设定一个碳排放上限，以限制能源的使用。

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But technology is increasingly moving in the other direction, too, as consumer products are appropriated for military use.

不过，由于现在消费类产品适用于军事用途，技术也正越来越多地沿着另外一个方向转移。

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