If we defined food differently: that it's something that nurtures the body, something found in nature, something that doesn't harm the environment-- there are a number of criteria one can apply to define a food-- then we might come up with a different definition than this, but this is the way the nutrition field generally looks at it.

如果我们给出不同的定义,滋养身体的物质,在自然界找到的物质,不会威胁到身体的物质,有很多标准可以拿出来定义食物,我们也许可以就此重新进行定义,但这就是营养学看待食物的方式

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Now the answer seems to me, the only answer I can imagine Socrates and Plato are giving at this point is to say, look, I need a different 3 definition of invisible, not 2 but 3.

我认为答案是，我所能想到的唯一答案是,在这点上苏格拉底和柏拉图,给出的答案是，我需要一个,无形的不同定义，不是2而是。

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