一本叫做《不抱怨的世界》的电子书，我们在生活中时常抱怨不公平，抱怨自己运气不好，...，其实，我们可以不抱怨的。-A e-book called " do not complain about the world, we often complain about in life is not fair, complaining about his bad luck, ..., in fact, we can not complain.