I. 用于文章主题句
1. 不用说¸…
It goes without saying that子句
= (It is) needless to say (that)子句
= It is obvious that子句
= Obviously, S. + V.
例︰不用说早睡早起是值得的。
It goes without saying that it pays to keep early hours.

3. 我深信…
I am greatly convinced (that)子句
= I am greatly assured (that)子句
例︰我深信预防是于治疗。
I am greatly convinced that prevention is better than cure.

4. 在各种…之中¸…
Among various kinds of …, …
= Of all the …, …
例︰在各种运动中¸我尤其喜欢慢跑。
Among various kinds of sports, I like jogging in particular.

5. …是很容易证明的。
It can be easily proved (that)子句
例︰时间最珍贵是很容易证明的。
It can be easily proved that nothing is more precious than time.

6. …无论如何强调都不为过
… cannot be overemphasized
例︰交通安全的重要性无论如何强调都不为过。
The importance of traffic safety cannot be overemphasized.

7. 就我的看法¸…；我认为…
In my opinion, …
= To my mind, ….
= As far as I am concerned, …
= I am of the opinion that子句
例︰就我的看法¸打电动玩具既花费时间也有害健康。
In my opinion, playing video games not only takes much time but is also harmful to health.

8. (A) 每个人都知道…
Everyone knows (that)子句
(B) 就我所知¸…
As far as my knowledge is concerned, …
例︰就我所知¸下列方法对我帮助很大。
As far as my knowledge is concerned, the following ways are of great help to me.

9. 毫无疑问地¸…
There is no doubt (that)子句
例︰毫无疑问地¸近视在我国的年轻人中是一个严重的问题。
There is no doubt that near-sightedness is a serious problem among the youth of our country.

10. 根据我个人经验¸…
According to my personal experience, …
= Based on my personal experience, …
例︰根据我个人经验¸微笑已带给我许多好处。
According to my personal experience, smile has done me a lot of good.