**Changchun's Foreign Player Forced to Retire Due to Injury**

**Introduction**

Changchun, a former Chinese striker who has been a key figure in China's women's football team, recently experienced a significant injury, which has led to his retirement. This injury, which has impacted the team's performance, has been a turning point in the team's journey, highlighting the importance of such injuries in preventing future declines.

**Impact on Team Performance**

Without Changchun, the Chinese women's team's performance has been severely affected. Specifically, their success has dropped by 40%. This decline is attributed to the physical strain caused by the injury, which has likely impacted Changchun's ability to perform at his best. The injury's location, while not fully specified, is likely a critical area affecting his performance, necessitating immediate attention.

**Reasons for Retirement**

The retirement of Changchun is a result of several factors. The primary reasons include the physical strain from repeated use, which has necessitated a break from training. Additionally, the mental challenges posed by the injury have made it difficult for Changchun to focus. He has expressed a desire for a new challenge, indicating that the injury has not only affected his physical condition but also his mental state.

**Conclusion**

Changchun's retirement is a significant event in the team's history, marking the end of a period of intense preparation. The injury has left a lasting impact on the team and player's career, emphasizing the importance of such injuries in preventing future declines. Changchun's decision to retire reflects the team's commitment to finding new challenges and overcoming the obstacles posed by injury. His retirement underscores the resilience and determination of young athletes, highlighting the importance of perseverance in overcoming adversity.