參加畢業典禮, 100% approval. 探親, 50%. Because

來源: 2006-12-25 16:39:59 [舊帖] [給我悄悄話] 本文已被閱讀:

參加畢業典禮's letter is issued by International student office of your univeristy, while 探親 invitation letter is from your personal. Can you see the difference?