a shirt or jacket that fastens with a row of buttons up the front

中文解释

纽扣衬衫（或外衣） He was looking elegant in nicely fitting jeans, a black button-up, and a slim-cut black blazer. 他穿着合身的牛仔裤、黑色纽扣衬衫和修身的黑色西装外套，看起来很优雅。