A flat button look, though there is actually a small shadow to help it out a little. I needed something that said service, but the butler was the best image I could think of.
服務
butler、dining、dinner、It all Reflects in My Tip、service、waiter
男管家、用餐、晚餐、這一切都反映在我的提示中、服務、服務員
資料來源：openclipart ( https://openclipart.org/ )