[例]  Each businessman wants to maximize his profits.

　　MB ( megabyte= 1，048，576 bytes) 兆字节

　　[例]　Join Yahoo membership now! You will get a 6 MB free mailbox immediately.

　　MBO(=management by objectives) (n.) system of management based on planning work to be carried out and then checking to see that the work has been completed correctly and on time目标管理系统

　　measure (n.) action, step措施

　　[例]  We are going to take measures to reduce costs.

　　media (n.) means of communicating a message媒体

　　[例]  A successful advertiser can choose the most suitable way and make full use of the media.