Twente的申请说明有点看不懂

以下这段话的意思是什么呢？是否选这个项目则要学业动机信，不选就不要呢？觉得特别奇怪。网址是http://es.graduate.utwente.nl/Admission/
Before May 1st, 2006, candidates must submit a letter of motivation, expressing their interest in participating in the MA double diploma programme “Europe Across Borders”, along with the following documents:

人家的意思很明确要写 motivation letter,楼主写一封不就行了？

就是一封动机信，说说你为什么要学。别说是为了文凭