casual wear

• 便服

casual wear的用法和样例：

例句

1. You're welcome to wear casual clothes to the party.
   我们欢迎你穿便服赴宴。
2. "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
   "科幻小说不能简单地看成是供消遣的，而实际上它给读者展示更深刻的内容。"
3. He alternates between casual and elegant attire.
   他在便装和套装中做出选择。
4. It's not appropriate to wear informal clothes on formal occasions.
   在正式场合穿便装不合适。