english: 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.
non_english: Formalizovan je i profesionalizovan, ali je bio ograničen na konkretne uloge i uopšteno je primenjivan u jurenju komercijalnih ciljeva pre nego što je korišćen intuitivno, kao što su radili Florens Najtingejl, Crnobradi i Jing Zeng.