写作绝招三（文章主体段落三大杀手锏）
一、举实例
思维短路，举实例！提出一个观点，举实例！提出一个方案，举实例！而且者也是我们揭示一个观点最好的方式，任何情况下，只要我们无法继续文章，不管三七二十一，尽管举例子！
In order to attract more customers, advertisers have adopted every possible simulative factor in making ads, such as sound, light, colours, cartoon films and human performance. For instance, to advertise a certain food, advertisers will ask an actor or actress to sit at a table and devour the seemingly delicious food while they fime him or her.
更多句型：
To take … as an example, One example is…, Another example is…, for example

二、做比较方法：写完一个要点，比较与之相似的；又写完一个要点，再比较与之相反的；
世界上没有同样的指纹，没有相同的树叶，文章亦同，只有通过比较，你才会发现二者的相同点（through comparison）和不同点（through contrast）。下面是一些短语：
相似的比较：
in comparison, likewise, similarly, in the same manner
相反的比较：
on the other hand, conversely, whereas, while, instead, nevertheless, in contrast, on the contrary, compared with …, …