불법판매를

In a sentence

• 그는 불법판매를 통해 큰 돈을 벌었다.

  He made a lot of money through illegal sales.

  In this sentence, '불법판매를' is used as a grammatical object marked by the object marker '를', relating to illicit sales that the subject ('그' - he) is involved in.

• 경찰은 그 불법판매를 조사하고 있습니다.

  The police are investigating that illegal sale.

  Here, '불법판매를' is an object denoting the unlawful selling activity being examined by the police, emphasizing the investigation's focus.

• 기업이 불법판매를 방지하기 위해 노력하고 있다.

  Companies are working to prevent illegal sales.

  In this case, '불법판매를' is the action being prevented, underlined by entities striving to inhibit such unethical transactions.