due to /because of /for the reason that

The chief reason why… is that …

Now that…

Another factor/ reason is that…

There are ample / powerful/ sufficient/ various reasons in saying that…

One may criticize/ find fault with/ disapprove of… but the real cause/ motivation/ root/ purpose of… is …

… results from/ arises from/ can be attributed to the fact that…

As far as I am concerned, there are some reasons accounting for this phenomenon.

描述结果的句型

However important we may regard school life to be, there is no denying the fact that children spend more time at home than in the classroom. Therefore, the great influence of parents cannot be ignored or discounted by the teacher.

One may criticize the authorities for the accident, but the real reason lies deeper.

Thus/Asa

论证说明句型

It is obvious / apparent/ clear/ conspicuous / without doubt that…

A recent report indicates that …

According to the statistics provided by …, it can be seen that …

Based on the survey/analysis/investigation of…, there is a growing/increasing/decreasing number of people who show concern about …

There is sufficient evidence showing that…

This sets forth the important fact that …

No on can ignore / overlook / be exempt form the fact that …

No one can deny / withdraw the fact that…

As is known to all / It is well-known / that …

I am convinced that…

There is no doubt that …

My idea/ view/ belief/ can be proved/ supported by …　举例说明句型

Fake commodities can do great harm to both consumers and society. For example, when a person bought fake medicine, it was useless in curing his disease and really a waste of money. Sometimes it can even cause death.

I will take … for example

Another special consideration in this case is that…

For instance / example …

Take … as an example …

We may cite / quote / take a common example to illustrate that …

Our society abounds with the examples of …

… may be exemplified / proved by the following fact that …

对比句型

One the one hand … On the other hand…

Nothing can rival…

… has merits as well as drawbacks.

… while…

… whereas…

… is not the same as …

A is just the opposite…

A differs from B in that…

… (The case) is not the same.

… instead…

Otherwise…

Contrary to widely accepted views, I believe that…

… varies from person to person.

What people fail to consider is that…

A is superior/inferior to B.