如果您想表达“女生想去外国留学”，可以用以下几种方式表达：
1. I am planning to study abroad because I want to broaden my horizons and gain knowledge that is more international.
2. Studying abroad is part of my dream. I hope to access higher quality educational resources and improve my abilities through studying abroad.
3. It is an opportunity for me to enhance my competitiveness, and I believe that this experience will lay a solid foundation for my future career path.
4. Studying abroad will help me improve my foreign language skills and learn more about international affairs, which will prepare me well for my future career.
5. I want to go to [country] to study because I am keen on experiencing a different educational environment and gaining access to world-class institutions.
请根据您的具体目的地选择合适的表达方式。