These days, people who do manual work often (11) far more money than people who work in (12) . People who work in offices a

These days, people who do manual work often 11 receive far more money than people who work in 12 offices. People who work in offices are frequently referred to "as white-collar workers" for the 13 simple reason that they usually wear a collar and tie to go to work. Such is human 14 nature, that a great many people are often willing to sacrifice 15 higher pay for the privilege of becoming white-collar workers. This can give rise to curious situations.