/ɪˈlɪsɪt treɪd/ – Phrase
Definition: buôn bán bất chính, buôn lậu, buôn hàng cấm.
A more thorough explanation: Illicit trade refers to the illegal buying, selling, or exchanging of goods or services, often involving activities such as smuggling, counterfeiting, or trafficking in contraband items.
Example: The authorities cracked down on the illicit trade of counterfeit goods in the city.