本书主要内容包括：在20几岁的时候，青春是最大的资本，也是最大的困境。年轻人们刚刚脱离家庭的护佑走进广阔的社会天地，就很有可能走进谬误的歧途。这所有的谬误，都会让我们垂头丧气，甚至在人生的起跑线上就一败涂地的。这本书将是年轻人在人生征途上最好的伙伴。它会告诉你，20几岁最容易犯的错误，以及怎样去规避这些谬误。(Main contents of this book include that the youth is the greatest capital and the large dilemma in people's twenties. Young people just break away from the protection of family and step into a wide social world, and they are more likely to walk into the fallacious wrong road. All these fallacies may make us dejected and even completely fail in the starting line of the life. This book will become the best partner of young people in the journey of life. It may tell you mistakes easily made in your twenties and how to avoid these fallacies.)