dress-down Friday

• 每周白领阶层可以随意着装的一天； 通常是周五

dress-down Friday的用法和样例：

例句

1. The announcement came Friday morning.
   这个公告是周五早上公布的。
2. William promised to submit the essay to his tutor either by Friday or by Saturday.
   威廉答应不是周五就是周六之前向导师交论文。