the activity of visiting or phoning a shop or other business, or using their website, pretending to be a customer, in order to get information on the quality of the service, the facilities, etc. 神秘顾客（受雇假扮成顾客去了解服务质量等的人） Today, mystery shopping is primarily used by businesses to measure their customer service. 如今，神秘购物主要被企业用来衡量其客户服务。