1. To prevent this phenomenon/trend from worsening/running wide/To guide the matter/situation to the best advantage, it is necessary/important to……（可用于分析建議類、原因分析類等議論文）
2. But many people feel puzzled about/perplexed at/over whelmed with……（the changes/situation）, so this essay is intended to……（可用于批駁分析類議論文和知識(shí)性說明文）
3. To get a sense of how……we must turn first to causes for it/to what benefit（harm/problems/difference）it has brought to our society.（可用于分析建議和原因分析類議論文）
4. The progress/improvement/change（s）in……is（are）really tremendous/remarkable/prodigious/marvelous, so it is necessary to understand（see）what it（they）illustrate（s）/prove（s）/account（s）for.（用于原因分析類議論文和知識(shí)性說明文）
5. More insight/inspiration/truth/thought can be deduced from these changes.（可用于知識(shí)性說明文）
6. Fortunately, however, more and more people come/begin to realize that……（可用于分析建議、對(duì)比分析和各抒己見類議論文）
7. But have you ever stopped to think what/how/why……?（可用于除理由陳述之外的各種議論文和知識(shí)性說明文）
8. But this（dis）agreement ceases to exist as soon as……（用于各抒己見、批駁分析、對(duì)比分析等議論文和對(duì)比說明文）
9. If you push the analysis/study/argument/comparison/exposure further, you will see that……（用于分析建議、對(duì)比分析、批駁分析、各抒己見類議論文和對(duì)比說明文及知識(shí)性說明文）
10. Now, let's see what would happen to……in this case/light（或in different conditions/circumstances）.（用于分析建議類議論文和對(duì)比說明文）
11. To be frank, I have turned the question over and over in my mind, but found no reason to sidestep it;so here are my ways to……/my reasons for……（用于理由陳述類議論文和知識(shí)性說明文）
12. People from different backgrounds, however, put different interpretations on the same thing.（用于各抒己見類議論文和展開式界說性說明文）
13. If/When adopted to account for/define/expose……, it can come in different meanings.（用于具體定義說明文）
14. Our life abounds with examples in point.（或The truth in the definition goes for/is applicable to many cases in our life.）（用于舉例說明文）
2. But many people feel puzzled about/perplexed at/over whelmed with……（the changes/situation）, so this essay is intended to……（可用于批駁分析類議論文和知識(shí)性說明文）
3. To get a sense of how……we must turn first to causes for it/to what benefit（harm/problems/difference）it has brought to our society.（可用于分析建議和原因分析類議論文）
4. The progress/improvement/change（s）in……is（are）really tremendous/remarkable/prodigious/marvelous, so it is necessary to understand（see）what it（they）illustrate（s）/prove（s）/account（s）for.（用于原因分析類議論文和知識(shí)性說明文）
5. More insight/inspiration/truth/thought can be deduced from these changes.（可用于知識(shí)性說明文）
6. Fortunately, however, more and more people come/begin to realize that……（可用于分析建議、對(duì)比分析和各抒己見類議論文）
7. But have you ever stopped to think what/how/why……?（可用于除理由陳述之外的各種議論文和知識(shí)性說明文）
8. But this（dis）agreement ceases to exist as soon as……（用于各抒己見、批駁分析、對(duì)比分析等議論文和對(duì)比說明文）
9. If you push the analysis/study/argument/comparison/exposure further, you will see that……（用于分析建議、對(duì)比分析、批駁分析、各抒己見類議論文和對(duì)比說明文及知識(shí)性說明文）
10. Now, let's see what would happen to……in this case/light（或in different conditions/circumstances）.（用于分析建議類議論文和對(duì)比說明文）
11. To be frank, I have turned the question over and over in my mind, but found no reason to sidestep it;so here are my ways to……/my reasons for……（用于理由陳述類議論文和知識(shí)性說明文）
12. People from different backgrounds, however, put different interpretations on the same thing.（用于各抒己見類議論文和展開式界說性說明文）
13. If/When adopted to account for/define/expose……, it can come in different meanings.（用于具體定義說明文）
14. Our life abounds with examples in point.（或The truth in the definition goes for/is applicable to many cases in our life.）（用于舉例說明文）