n.算术； 数量上的优势,数( number的名词复数 ),数目,一期,一群人 v.数，算( number的第三人称单数 ),给…编号,总共
Substantial numbers of rank and file members ignored their union's advice.
有相当一部分普通员工不理睬工会的建议。
Make a note of credit card numbers and check expiry dates.
记下信用卡卡号，核对有效期限。
Tourist numbers from across the pond have dropped dramatically.
来自大西洋彼岸的游客数量已急剧减少。