1. Outstanding research results: Cambridge University attaches great importance to research results. If doctoral students have made outstanding achievements in the research process, such as publishing high-level papers or obtaining patents, the possibility of staying in school will be greatly improved.
2. Tutor support: Doctoral tutors play an important role in research and career development. If the tutor gives high evaluation and support to the work and performance of doctoral students, the chances of staying in school will be improved accordingly.