 Complete the following phrase:  The following three seasons, they were very successful at the junior level. They won all their Junior Grand Prix events, including the 200001 JGP Final and the 200102 JGP Final. They also competed in the 2001 Junior Worlds and the 2003 Junior Worlds, winning gold both times. At the Chinese National Championships, they placed third in both 2001 and 2002, before winning their first national title in 2003. Their first senior international was the 2002 Four Continents Championships, where they won the bronze medal. The same season they competed in the 2002 Olympics, placing 11th, and the 2002 Worlds, placing 9th. The following season they competed in their first two senior Grand Prix events, placing fourth at both events. They repeated with a bronze medal at the 2003 Four Continents Championships and improved their placement at the 