Our marketing department hired an advertising agency to design the new product campaign.

我們的行銷部門聘請了一家廣告代理商來設計新產品的宣傳活動。

The staffing agency sent us three qualified candidates for the receptionist position.

人力派遣公司為接待員職缺推薦了三位符合資格的應徵者給我們。

Please contact the travel agency to change your flight before Friday's conference.

請在週五的研討會之前聯絡旅行社更改你的航班。