英语脑筋急转弯 | Read My Lips

Riddle:

I have no voice and yet I speak to you, I tell of all things in the world that people do. I have leaves, but I am not a tree, I have pages, but I am not a bride or royalty. I have a spine and hinges, but I am not a man or a door, I have told you all, I cannot tell you more. What am I?

Answer:

A Book.