雅思写作：英语写作必备词汇-10

　　1-to cash in on the celebrity effect to do sth.利用名人效应做某事;

　　2-to acquire the expertise获得专业技能;

　　3-to cater to the need of sb.迎合某人需求;

　　4-to learn about...by word of mouth口头相传;

　　5-become a regular attendee经常参加;

　　6-assist clandestinely秘密协助