感谢分享

thanks a lot ~~~

骗人 的， 只 是  一  个  草  稿  而  已  ！

这个只是少了前面的书皮等部分，里面内容和出书版完全一样，页码582绝对真实，不知道楼上怎么判断的

The key is that it is not a published version, but rather a draft version. The two versions are much different. For example, equations numbered, subject index.