【示例一】
①There are many cases/examples to explain ________（主题句）. ②Take ________ as a typical example./The first example is that ________ （阐述例子）, ________（可进一步阐述）. ③The second example is that/In addition/Here is a counter example./Opposite case in point is that/On the contrary ________（第二个例子的内容或举一个反面例子）. ④Therefore,/Only ________can ________（总结主题句/段落总结句）.
【示例二】
① ________ （观点句）. It can be best/well illustrated in/explained by（例子）. ② ________（阐述例子）. ③________（进一步阐述例子）. ④Therefore, ________（段落总结句：进一步总结观点句的必要性和重要性）.