书籍是朋友,虽然没有热情,但是非常忠实。生活中的朋友,如果几日不见,我们会非常想念他,可能打个电话问候一下,也可能约个时间,在一起聊一聊。书也是我们的朋友,可它面对我们却一言不发。其实,书并非是一言不发,只 Books are friends, though not enthusiastic, but very loyal. We will miss him very much if he or she does not know it in a few days. He may call to greet him or he may talk about it for a while. The book is also our friend, but it does not say anything to us. In fact, the book is not silent, only