理发店门口都有那种旋转着的彩柱,为什么会有这种标志,它的由来是什么呢?据说,在中世纪时,西欧流行一种说法:人生病主要是因为体内各元素不平衡,只要引出多余的“元素”。就会恢复健康。而血液则被认为是最容易引出的一种“元素”。因而欧洲人认为“放血是康复之始”。但医师认为这是下等人做的事,自己不肯动手放血,而托理发师来做,于是理发师就成 It is said that in the Middle Ages, Western Europe, a popular saying that people are sick mainly because of the elements of the body is not balanced, that is, Just lead to extra “element ”. Will be back to health. The blood is considered the easiest to lead to a “element ”. Thus Europeans think that “bleeding is the beginning of healing.” However, doctors think it is inferior to do, they refuse to start bleeding, and caretaker to do, so the barber would be