瀏覽 542,644 項 大型會議 照片及圖片，或開展全新搜尋，發掘更多照片及圖片。
convention and seminar thin line icons - editable stroke - icons include a convention, conference, seminar, business convention, business conference, trade show, business people, audience, presenter, attendees, vendors, networking - 大型會議 幅插畫檔、美工圖案、卡通及圖標 
