访校确实太多staging ，以往 Y校报可以搜到bulldog staged

staged bulldog day	https://yaledailynews.com/blog/2014/04/22/defiesta-yale-the-best-place/
cynical	https://yaledailynews.com/blog/2014/04/23/stern-dear-prefrosh/
another article about bulldog day	https://yaledailynews.com/blog/2013/04/15/taylor-dear-prefrosh/