第一封邮件Welcome to Drexel University中说"Congratulations on your admission to the graduate program in the Department of Electrical and Computer Engineering at Drexel University. I hope that you will decide to join our department and I look forward to being able to meet you in the fall.”后面也说了"We realize that financial aid issues play a critical role in deciding where to pursue your graduate education. The information below is intended to answer some of the most commonly asked questions regarding financial aid." 但这封邮件就没提现在给我多少钱,只是说可以申请TA Ra,我发邮件问他们,回复说"All accepted students are reviewed by our research faculty and some offers of Research Assistantship/Teaching Assistantship are made to the best students whose background and studies are in the same area. If you have received an acceptance letter you may contact the faculty in your area of interest to discuss possibly joining their research group."我现在该怎么办?去套教授么?但现在再去套会不会太晚了?求指导啊!