1、引入: to introduce 强调: to emphasize, to stress 说明概念，解释原因 To explain (how) To define To describe To offer a possible answer To presentviews/ solutions To show why/how To provide a more technical/specific discussion of To discuss why To present several factors that may contribute to To give an analysis
2、of 举例 For example, For instance, To illustrate To provide examples of To give an example of To cite an evidence that To present an evidence on which the theory was based. 支持 To support the claim that To provide support for To provide evidence that To argue for To argue in support of 比较对比 To comparet
3、o To contrast To identify To demonstrate a similarity betweenand To distinguish To illustrate differences betweenand To make a comparison that反驳 To reject To argue against To argue that none of To argue that To challenge the earlier claim that To cite evidence that shows that the theory is incorrect. To point out problems with To question 总结评价 To summarize To conclude To evaluate To comment on
