主體部分說理
第一句： Firstly, obvious is a sight that …
替換句型：1. first of all , it is indisputable fact that …
2. first of all , it is an undeniable fact that …
3. it is an irrefutable fact that …
4. it is vitally important that …
5. one point which I believe to be absolutely pivotal is the fact that …
6. it is vital that …
第二句： This is because …
第三句： for example …
替換句型： This is particularly so given the fact that …
第三段： (舉例)
第一句： In addition to this …
替換句型：1. Equally importantly , …
2. further and even more importantly ,
3. even more disturbing , is
4. secondly and more importantly , though , in order to … , it is essential that …
5.
第二句：for example ,
替換句型： 1. one particularly good example of this is …
2. one particularly salient example of this is
第三句： …
第四段：(反方觀點(diǎn))
第一句：It is also true that … (反方觀點(diǎn))
替換句型：1. However , perhaps the strongest argument in favor of …is that …
2. Yet , perhaps the strongest argument in favor of … is that …
第二句：if … (極端，特殊情況下的一些合理性，進(jìn)一步說明該段第一句話)
第三句：however ,
替換句型：however , this is unlikely to occur while …