The hotel front desk sells postcards and can mail them for guests at no charge.

飯店櫃台有販售明信片，並可免費替房客寄出。

Our marketing team mailed postcards to past customers announcing the spring sale.

我們的行銷團隊寄明信片給老顧客，宣傳春季特賣活動。

Please drop these postcards in the outgoing mail tray before the courier arrives at noon.

請在快遞人員中午到達前，把這些明信片放進待寄郵件盤。