mystery guest

名词 n.

英文释义

名词 n.
  1. A person hired by a company to pose as a customer in order to evaluate the quality of its service.
    — For example, an amusement park may hire an outside marketing firm to send a mystery guest to the park to evaluate his or her experiences with the park's sales and service employees.
  2. A guest star whose identity is kept secret.
    — Guess who will be our mystery guest this week.

词形变化

mystery guests plural
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