N-COUNT 星期五便装日(有的公司允许员工在这一天着便装上班) In some companies employees are allowed to wear clothes that are less smart than usual on a Friday. This day is known as a dress-down Friday . 星期五便装日(有的公司允许员工在这一天着便装上班)
But is it really feasible to don sportswear to the office without the excuse of dress-down Friday?