nezbytnost, nutnost, nezbytná potřeba
If you think about it, air is essentially the `;breath of life'. (BNC)
Religion is a vital and enduring part of man's life and experience in Egypt, the breath of life itself. (BNC)
His creator had fashioned him from clockwork and set him to go through the motions of living without giving him the actual breath of life. (BNC)
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