() [] the act of preparing and sending bills to customers （给顾客）开账单◆a billing clerk 开票员◆customer billing software 客户发单软件
() billings []the total amount of business that a company does in a particular period of time, especially in advertising or insurance （尤指广告或保险业一段时间内的）营业额◆The agency generates annual billings of around $72 million. 这代理商年营业额约为 7 200 万元。◆The company is worth $125 million in billings. 按营业额计算，这公司值 1.25 亿元。
[] the way sb/sth is advertised or described 广告；宣传◆Their latest gaming machine is living up to (= is as good as) its billing as the hottest on the market. 他们的最新款游戏机正如广告上所说，是市场上最热门的游戏机。