investigative journalism
US /ɪnˌvestɪˈɡeɪtɪv ˈdʒɜːrnəlɪzəm/
UK /ɪnˌvestɪˈɡeɪtɪv ˈdʒɜːrnəlɪzəm/

1.
調查性新聞
a form of journalism in which reporters deeply investigate a single topic of interest, such as serious crimes, political corruption, or corporate wrongdoing
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The newspaper won an award for its investigative journalism on local government corruption.
該報因其對地方政府腐敗的調查性新聞報導而獲獎。
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Good investigative journalism often leads to significant social change.
優秀的調查性新聞報導常能帶來重大的社會變革。