Employees should never denigrate competitors when speaking with potential clients at trade shows.

員工在商展與潛在客戶交談時，絕不應詆毀競爭對手。

The manager warned staff not to denigrate former colleagues in internal emails.

經理警告員工不要在內部電子郵件中詆毀前同事。

The airline apologized after an agent denigrated a passenger's complaint on social media.

一名客服人員在社群媒體上貶損乘客的投訴後，航空公司出面道歉。