The CEO announced the new travel policy by fiat, without consulting any department heads.

執行長未諮詢任何部門主管，就以命令方式宣布新的差旅政策。

Prices cannot simply be set by fiat; the finance team must review market data first.

價格不能單憑一紙命令決定，財務團隊必須先審閱市場數據。

The hiring freeze came as a fiat from headquarters, surprising every regional manager.

凍結招聘是總部直接下達的命令，讓每位區域經理都很意外。