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.
2、是不可能的;无法…
There is no Ving
There is no way of Ving.
There is no possibility of Ving.
It is impossible to V.
It is out of the question to V.
No one can V.
We cannot V.
例︰不可否认的，成功的事业关键在于健康的身心。
There is not denying that successful business lies in a healthy body and mind.
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.