| 61. | personal correspondence |
| 私人信函
|
| 62. | keep a regular correspondence with |
| 和…定期通信
|
| 63. | a romantic correspondence |
| 浪漫的通信
|
| 64. | special [urgent] correspondence |
| 特别[紧急]信件
|
| 65. | teach by correspondence |
| 函授
|
| 66. | in correspondence with |
| 与…相一致；与…有通信联系
|
| 67. | make arrangements through [by] correspondence |
| 通过书信进行安排
|
| 68. | start one's course by correspondence |
| 开始上函授课
|
| 69. | take a course in a correspondence school |
| 在函授学校修一门课
|
| 70. | a correspondence course |
| 函授课程
|