() a bill for goods or services; the price or cost of sth 账单；费用；价格◆employers who pay the tab for business travel 为出差买单的雇主◆The tab for building the center was more than $450 million. 建造这个商业中心的成本超过 4.5 亿元。◆Shareholders will have to pick up the tab(= pay the cost) for the failure of the company. 股东将不得不为公司的破产买单。
a record of the items ordered in a bar or restaurant （酒吧或餐馆的）账单◆Can I put it on my tab? 记在我的账上，好吗？
a small piece of paper, fabric, metal, etc. attached to the edge of sth, that is used to give information about it or to help you find sth; a similar device on information shown on a computer screen 标签◆The website is well designed, with good use of colour-coded tabs. 这个网站设计精美，很好地运用了彩色编码标签。