Definition: a business that provides a service Level: B1
我通过一家旅行社预订了我的假期。
I booked my holiday through a travel ___agency.
她通过一家职业介绍所找到了她的新工作。
She found her new job through an employment ___agency.
他在当地的一家广告公司工作。
He works at a local advertising ___agency.
