You could give the responsibility to one of your ushers and a bridesmaid to go to the local market in the morning to purchase some fish, fresh off the boats.
你可以把任务派给其中的一名招待员、伴娘，让他们早上去当地的市场，买几条刚刚从渔船上打下的鲜鱼。
2
We enlisted them to serve as ushers at the meeting.