SA is the abbreviation of serviceassistant, that is, service/SAles consultant, and sa is the abbreviation of sales consultant title. Because this word looks tall, it has been used for a long time, but the specific circulation time is unknown.

This kind of person is the counter staff who serve consumers, sell and introduce goods to consumers in shopping malls. Shopping guide for counters needs some psychological research. Only by realizing functional service and psychological service can we communicate with customers more conveniently.

SA is the sister of the cabinet.

Cosmetics, women's wear and bags of famous brands at home and abroad will set up counters in department stores, and these counters will send professional shopping guides SA, of course, in order to better market their products. These shopping guides are generally women, also called cabinet sisters.