避免使用陈词滥调：不要上来就写every coin has two sides(=There is no garden without weeds). / as it is widely accepted / as we all know (=it is as clear as crystal that)括号里的表达法推荐使用。
2、大量的使用了形式主语和灵活句式（倒装，强调）：
例如：
It must be stressed out that 必须强调指出
It is fairly difficult to say that （反驳）
It is not completely true to say that （让步反驳）
It is conceivable that 可以想象
3、首段一般是：1）改写题目，介绍文章背景；2）提出争议焦点；3）明确表明作家的观点。
4、再解释；举例子；反证法是展开分论点的三个重要的方法。
再解释：In other words ;To be more specific=specifically ;That is to say （也就是说）
举例子：To illustrate（举例说明）;A case in point is that ;An obvious example is that