Русско-англо-русский юридический словарь

The concept of the struggle for existence concerns the competition or battle for resources needed to live. It can refer to human society, or to organisms in nature. (Wikipedia)

Earlier, in the first programme, Sir Kenneth said that “at certain epochs man has felt conscious of something about himself – body and spirit – which was outside the day-to-day struggle for existence and the night-to-night struggle with fear...” [...] (The Guardian)