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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蒙古虽然贫穷，却有相当储量未利用的石油和矿物资源。

Mongolia, although poor, has considerable untapped resources of oil and minerals.

《柯林斯英汉双解大词典》

您需要确保这些服务可以利用未使用的资源。

You need to ensure that the unused resources can be harnessed by these services.

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