as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
when can a comma be used with a list of three words or phrases?
user
a comma should be used when listing three or more words or phrases. for example, "i enjoy playing soccer, swimming, and biking." here, the comma after soccer allows the reader to understand each element of the list independently.
assistant