They were carrying placards and banners demanding that he resign.
人们手持标语牌和横幅，要求他下台。
《牛津词典》
2
Advertisers now place "banners", links to commercial web sites decorated with attractive pictures designed to catch our eyes while browsing the webs, on key web sites with heavy traffic.
Environmentalists have declared partial victory: though Coca-Cola's plan to decorate the town with banners has been scaled back, there are still too many billboards for strict green tastes.