原因句型
1)There are many/different/several/a number of causes/factors for the dramatic/marked/significant increase/decrease/changes/problem in….
2) There are several reasons for my preference /choice/decision.
3) Why..? First/ For one thing/One reason is….Second/For another….Finally/Perhaps the primary/main/most important reason/cause is….
4) The reasons/causes for…are complicated / many/profound.
5) A number of factors could explain/result in/account for/ contribute to the success/change/choice/decision.
6) Another cause/factor/reason is….
7) …also is responsible for / plays a part in/contributes to the rise/problem.
8) But /Perhaps the most important/primary/root cause /reason is…..
9) Among the most convincing/compelling/important reasons/causes given/cited/identified by people for…, one should be stressed/considered/mentioned.
10)The change/increase/decrease in….mainly/largely/partly result/arise from/is attributable to/due to/is because of the fact that…/several factors.
11) One may attribute/ascribe/owe the increase/decrease/change to…
12) One may trace the trend/problem/phenomenon back to….
13) ….is not the only answer/is not by itself an adequate explanation/is not the whole story.
14) But it does not answer the question why /explain the problem of ….
15) You may criticize …for /blame…for/attribute….to…..But the causes /roots for the problem/phenomenon go far deeper.
16) It is no easy/simple task/job to find/give the reason for this complicated phenomenon/deep-seated tendency which involves many/several factors.

數據句型
1) According to /As can be seen from/ As shown in /It is clear/apparent from the chart/graph/table/figure/statistics…
2) The chart/graph/table reveals /shows/suggests that…
3) From the statistics/information given in the table/chart/graph, we can estimate/see/conclude that….
4) The percentage /figure reached a peak/a high point/ a low point/the bottom in March.
5)The number/percentage remained steady/stable/unchanged.

分析句型
1) First,…Second…Worse still….
2) It may create /lead to/give rise to a host /multitude of problems.
3) It will have/ exert/ produce a considerble/profound/beneficial/
favorable/undesirable/negative influence/effect on….
4) It may cause/produce/bring about a considerable/marked/drastic/sweeping/favorable/undesirable change /rise in…
5) This will entail/bring/involve some dreadful/serious/pernicious consequences.
6) There are a number of negative/undesirable/serious effects on/ consequences of…
7) The consequence/influence/effect has not been confined /limited to…
8) The immediate /eventual result it produces/brings about …
9) A good case in point/a classic example is…

比較句型
1) One /Another/ The biggest advantage/benefit is that…
2) It has /they have both advantages and disadvantages/ strengthes and weaknesses.
3) The advantages of B outweigh the benefit we gain from A / carry more weight than those of A/ are much greater than those of A.

評論句型
1) One /Another/ The biggest advantage/benefit is that…
2) It has /they have both advantages and disadvantages/ strengthes and weaknesses.
3) The advantages of B outweigh the benefit we gain from A / carry more weight than those of A/ are much greater than those of A.
5) Although the popular/nationwide/commonly-accepted belief/idea/assumption is that…., a new/recent study/survey/poll indicates/reveals/unconvers that…
6) Although there is a tendency to think that….
7) They may be right about…, but they seem to fail to mention/take into account…
8) Logic /Valid/Sound as are these arg9) The problem/flaw with the view/argument is…
9) The problem/flaw with the view/argument is…
10) There is an element of truth in the view/argument, but they ignore a deepr and more basic/important/ essential fact/reason that…

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