基本信息
To see one time is better than to hear a hundred times.
To persevere means victory!
注①：在很多情况下，特别是在口语中，常采用先行it代替主语，而把不定式后置：
It’s a great pleasure to be here.
It is not an easy thing to master a language.
注②：这种后置不定式的结构也适用于某些谓语动词不是系动词的句子，如：
It took us five hours to get there.
It made us very angry to hear him talk like that.
