面对书本，则完全没有这种麻烦。
他们也能从书本学到很多，学着如何面对问题，或者他们应该成为怎样的人。
They can gain a lot from the books, learning how to face the problems or what kind of person they should be.
也就是说，当今的孩子们主要通过（来自于老师，书本等的）二手的经验来了解自然，而不是与自然面对面的对话。
Namely, nowadays kids know the nature mainly base on the secondary experience (from teachers, books, etc. ) rather than face-to-face conversation.
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