1. 留学生 international students 或者overseas students
造句练习：最近十年在华留学生人数明显增加。
参考答案：The recent decade witnesses a dramatic growth in the number of international students.
2. 出国留学 go abroad to study 或者study abroad
造句练习：众所周知出国留学可以开阔眼界。
参考答案：It is well-known that going abroad to study can broaden our horizon.
3. 深造 further one’s study
造句练习：我想申请贵校的奖学金，以期在经济学领域继续深造。
参考答案：I would like to apply for the scholarship in your institute so as to further my study in economy.
4. 孔子学院 Confucius college
造句练习：世界各国的孔子学院是中外文化交流的重要场所 。
参考答案：Confucius colleges around the world are the significant places where Sino-cultural exchanges take place.