In the field of education, natural to "learn" there are a lot of experience.Domestic education let me understanding of "learning" have very limited, have deep prejudice for knowledge.I accepted in the Columbia graduate education as well as the experience of living in New York let me to a new understanding of learning: the world, is the classroom;Every a person, is my teacher.I develop a habit of learning increases with the increasing people things anytime and anywhere: to observe the life attentively, judge local conditions and customs in travel, think about the "why" and find the answer, ask a variety of professional people about their jobs.The world is an open book, learning should not be confined within the classroom