…cannot emphasize the importance of …too much. （再怎么强调……的重要性也不为过。）例句：We cannot emphasize the importance of protecting our eyes too much. 

我们再怎么强调保护眼睛的重要性也不为过。 *四、There is no denying that + S + V ...（不可否认的……） 例句：There is no denying that the qualities of our living have gone from bad to worse.  

不可否认的，我们的生活品质已经每况愈下。 *五、It is universally acknowledged that + 句子…… （全世界都知道……）例句：It is universally acknowledged that trees are indispensable to us. 

全世界都知道树木对我们是不可或缺的。 *六、There is no doubt that + 句子……（毫无疑问的……） 

例句：There is no doubt that our educational system leaves something to be desired. 

毫无疑问的我们的教育制度令人不满意。