context: Cao's first international debut was at the 2003 World Wushu Championships where she was the world champion in women's changquan.
source: Around this time, Cao became the coach of the Shandong Wushu Team.
reference_original: काओ इस दौरान शान्डोंग वुशु टीम की प्रशिक्षिका बन गईं।
reference_flipped: काओ इस दौरान शान्डोंग वुशु टीम के प्रशिक्षक बन गए।