It was formalized and professionalized, but it was restricted to specific roles and generally applied in pursuit of commercial goals rather than being used intuitively, as Florence Nightingale, Blackbeard and Ying Zheng had done.
형식을 갖추고 전문적인 것이었지만 특정한 규칙에 따라 제한되었지요. 또한 상업적인 목적으로만  사용되었습니다. 직관적으로 사용되었다기보다는요. 나이팅게일, 검은 수염,  진시황제가 그랬던 것처럼요.