1, professional requirements. Harvard University does not have graduate programs in all professional fields. Graduates want to study a specific field in depth, but Harvard University has no corresponding postgraduate program, so they will consider applying for postgraduate programs at new york University or other universities.

2. Personal preference. Everyone has different preferences for academic environment and cultural atmosphere. Some graduates are more interested in the teaching and research atmosphere in new york University, or have specific tutors or research opportunities in new york University. In this case, they will choose to apply for the graduate program of new york University.