the order of the day
成語所屬單字order
the order of the day — 慣用語
1. Common, popular, or suitable at a particular time.
1.慣用語
釋義
常態；流行
Common, popular, or suitable at a particular time.
例句
Casual dress is the order of the day for the party.
Hard work was the order of the day during the project.