二奶专家

er4 nai3 zhuan1 jia1

"mercenary expert", a person who is supposedly an independent expert, but receives payment for making comments favorable to a particular entity

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二奶專家|二奶专家 [èr nǎi zhuān jiā] ► "mercenary expert", a person who is supposedly an independent expert, but receives payment for making comments favorable to a particular entity