二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V

　　例句：Nothing is more important than to receive education.

　　三、~~~ 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.

　　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.

　　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.