应该说 knowledge in the book 还是 knowledge is in the book
问题描述：
应该说 knowledge in the book 还是 knowledge is in the book
答
看你要表达什么
knowledge in the book 是名词短语 knowledge in the book is important.
knowledge is in the book 是算句子如果想要作为标题表示知识就在书中应该选哪一个呢？knowledge in the book. 标题不一定用句子，用名词短语就好，越短越简洁好