外界之所以关注和看重毕业演讲，是因为大学的毕业演讲很多时候不单单是大学

外界之所以关注和看重毕业演讲，是因为大学的毕业演讲很多时候不单单是大学内部的事，它更被看作是观察一所大学精神与情怀的窗口。

結果 (英文) 1:

Outside interest and value the graduation speech, because graduation speeches at the University many times not only within the University, it is seen as one window of the University spirit and sentiment.

結果 (英文) 2:

The reason why the outside world attention and valued graduation speech because the graduation speech at the University of the University is not only a lot of time inside the thing, it is seen as more of a university is to observe the spirit and feelings of the window.

結果 (英文) 3:

The reason why the attention and value of graduation speech, is because the University's graduation speech is not only a lot of university internal things, it is considered to be the observation of a university spirit and feelings of the window.