Yīyánbìzhī / zhè / běn / shū / tǎolùn / de / shì / rén / zài / biànhuà / shídài / rúhé / bǎochí / pànduànlì一言蔽之,这本书讨论的是人在变化时代如何保持判断力。In a nutshell, this book discusses how people can retain their judgment in an era of change.