把这一句，留给此刻的你
You're not a historian, but most historians will tell you that they make very discrete judgment as to what facts to omit in order to make their book into some shape, some length that can be managed.
你不是一个历史学家，但大多数历史学家会告诉你，他们会做出非常离散的判断，为了让他们的书有一定的形状，有一定的长度，他们会省略哪些事实。