缺乏营养对人体危害很大，导致教育水平下降(营养不良的儿童注意力无法集中)以及收入能力降低。

The missing nutrients bite wide and deep. Education levels drop (malnourished children concentrate poorly); earning-power weakens.

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那药总让他感到昏昏欲睡且无法集中注意力。

The medicine always made him feel dopey and unable to concentrate.

《柯林斯英汉双解大词典》

她无法集中注意力可能会导致意外。

Her inability to concentrate could cause an accident.

《柯林斯英汉双解大词典》

We're able to think about them, but we're distracted.

我们可以去设想它们,却无法集中注意力

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