参加毕业典礼, 100% approval. 探亲, 50%. Because

来源: 于 2006-12-25 16:39:59 [旧帖] [给我悄悄话] 本文已被阅读：次

参加毕业典礼's letter is issued by International student office of your univeristy, while 探亲 invitation letter is from your personal. Can you see the difference?