Unit 1 ENGINEERING MATERIALS Part 1 Vocabulary 一、大词(Semi-Scientific Word) 1. group vt,v(常与with连用)分组;分类;归类 e.g. The data can be grouped under three heads. 这些资料可以分为三大类。 grouping.分组
Complaint management is an Investment Cost of customer acquisition vs retention Loyal Word of mouth(p positive or negative) Information for design changes Compensation may exceed price