1.letter of application 申請函、求職申請書
例句：We have received over 2000 letters of application for the job.
我們已經(jīng)收到2000多封申請該職位的來信。

2.letter of rejection 回絕函
例句：About one month after he sent the application, he got a letter of rejection.
寄出申請的一個月后，他收到一封回絕函。

3.letter opening machine 拆信器
例句：A letter opening machine cuts open envelopes of letters received.
用拆信器來拆開收到的信件。

4.letter of intent 意向書（表明誠意要做某事的正式文件，但不屬于承諾或合同）

5.letter quality printer 優(yōu)質(zhì)字符打印機（能打印出清晰字體，適合商務(wù)通信）
例句：Make sure you use the letter quality printer to print out those letters.
請務(wù)必使用優(yōu)質(zhì)字符打印機打印這些信件。