1. Open Disk Utility. Create a new image with these options. 打开磁盘工具，创建一个新镜像，参数如下。
2. Command-line utility to compare and synchronize data using the configuration file. 命令行实用工具来比较和同步数据使用配置文件。
3. This corresponds to the basic assumption of demand theory that consumers attempt to maximize utility. 这就相当于需求理论中的基本假设是消费者企图功能最大化。
英英解释
n.
1. a company that performs a public service; subject to government regulation
2. the quality of being of practical use
3. the service (electric power or water or transportation) provided by a public utility
4. (economics) a measure that is to be maximized in any situation involving choice
5. (computer science) a program designed for general support of the processes of a computer
6. a facility composed of one or more pieces of equipment connected to or part of a structure and desig adj.
1. used of beef; usable but inferior
2. capable of substituting in any of several positions on a team
网络释义
utility 效用;
实用工具;
实用;
公共实业;
public utility 公用事业;
公用事业设施;
公用事业，公共事业;
公用设施;
marginal utility 边际效用;
邊際效用;
边际效益;
边际效应;
government utility 政府公用事业;
total utility 总效用;
总效用:通过使用特定商品或服务,消费者获得的总的满意程度。;
总效用：通过使用特定商品或服务，消费者获得的总的满意程度。;
