The annual budget report must be submitted to the finance team by December 15.

年度預算報告必須在十二月十五日前提交給財務團隊。

Our holiday sale runs through December, so customers should order before the shipping deadline.

我們的節慶特賣持續整個十二月，所以顧客應在出貨截止日前下單。

We are hiring seasonal staff for December to handle the increase in hotel bookings.

我們正在招募十二月的季節性員工，以應付飯店訂房量的增加。