Complex sentence: She joined the Miss Korea pageant in 2000, and using that as a springboard to an acting career, she made her acting debut in China in 2004, appearing in minor roles in several CCTV dramas.
Split into simpler sentences: She joined the Miss Korea pageant in 2000, and using that as a springboard to an acting career. She made her acting debut in China in 2004, appearing in minor roles in several CCTV dramas.