Nowadays people's desire for knowledge and mental food is also increasing rapidly.

此时人们对知识的渴望和精神食品也迅速增加。

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One of the most important habits in life is to feed your mind with positive mental food.

生活中最重要的习之一就是要经常为本人补充积极的精神粮食。

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From good books, moreover, they draw much besides entertainment. They gain mental food such as few companions can supply.

他们从好书中不但得到乐趣，而且受到很多教益，他们从中获得的那种精神食粮，从其它地方是很难得到的。

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Instead, it may be rewiring our brains, wrecking our attention spans and replacing contemplative consumption of information with a frenetic search for mental fast food.

FORBES

By footling round with centrifuges and liquid nitrogen they were reducing food to a set of mental hurdles, as though there weren't already enough traffic lights and zebra crossings in life.

ECONOMIST: Santi Santamar��a

Lack of food hinders these children's mental development.

ECONOMIST: Orphans of the virus