/bɪznəs kæʒwəl/ – Phrase
Definition: Trang phục công sở thoải mái.
A more throughout explanation: a dress code in some law firms and other organizations whereby lawyers and other employees can wear less formal clothes than business clothes, but which still give a professional and businesslike impression eg for men, trousers and a shirt, but no tie
Example: The dress code at the firm is business casual.