她营养不良，这个观察引出了另一个未提出的问题。
She was undernourished, an observation that prompted yet another unasked question.
这也是一个解答以前未提出的问题的机会。
This is also an opportunity to get questions answered that were not asked before.
提出的理论是，当未利用资源数量增加时，植物群落更容易受到入侵。
The suggested theory is that a plant community becomes more susceptible to invasion whenever there is an increase in the amount of unused resources.
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