问题详情

These days, people who do manual work often (11) far more money than people who work in (12) . People who work in offices are frequently referred to as "white-collar workers" for the (13) reason that they usually wear a collar and tie to go to work. Such is human (14) , that a great many people are often willing to sacrifice (15) pay for the privilege of becoming white-collar workers. This can give rise to curious situations.请帮忙给出正确答案和分析，谢谢！