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Phrase(s): Half the world knows not how the other half lives
Prov. You cannot understand what life is like for people who are different from you.; Often, rich people do not know what it is like to be poor, and poor people do not know what it is like to be rich. • Until he spent school vacation at his friend Richard’s country home, Jim was never aware that some people do not have to work for a living. He discovered that half the world knows not how the other half lives. • Bill decided to dress in secondhand clothes and spend the weekend among the homeless men in the warehouse district, to see how the other half lives.
McGrawhill's American Idioms And Phrasal Verbs