因名人知名度高、受人崇拜而产生吸引力和号召力的社会现象celebrity effect

• 他们经商，靠的是“名人效应”。

  Their business operations rely on the celebrity effect.

• 广告公司为了追求名人效应，想通过名人起到一种推动、推广的作用。

  In their pursuit of the "celebrity effect", advertising companies use celebrities to achieve a sales push and promotional effects.