名词

电话推销

1. 代表（亦使用 in someone's behalf，主要用于美国英语中）
If you do something on someone's behalf, you do it for that person as their representative. The form in someone's behalf is also used, mainly in American English.

2. 为（某人）；替（某人）
If you feel, for example, embarrassed or angry on someone's behalf, you feel embarrassed or angry for them.