What he proposes is that we have become so precise about nutrients, and so concerned about the things that are in food, we've lost sense of what food is.

他认为我们越来越关注营养,关注存在于食物当中的物质,却忽略了食物本身

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But we need to become more concerned about global warming, pollution,

我们需要更多关注全球变暖、污染问题，

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But we need to become more concerned about the Earth,

但我们也要多关心地球，

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I want to quote Martin Seligman, who talks about precisely this idea: "In the last decade psychologists have become concerned with prevention.

我想引用Martin，Seligman的话，他说过这样一句话：,“在过去的十年,心理学家关心的都是预防的问题。

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