letter of reference

• n. 调查信；保证书；推荐人的信

letter of reference的用法和样例：

例句

用作名词 (n.)

1. She balled the letter into a wad.
   她将信揉成一团。
2. We have had no acknowledgement of our letter.
   我们没有收到过确认去信已收到的回音。
3. Each recommendation must include the completed Reference Form as well as a separate letter from your recommender written and signed on academic or business letterhead stationery.
   要什么样的信头，是申请学校的还是推荐人所在学校，还是其它的？