Zhou Yun didn't doubt Chang Tong's words, he went to the capital this time, and he knew the truth of the matter as soon as he asked, so there was no need to lie to him.

Moreover, this kind of technology, which can be called against the sky, is indeed unjustifiable if it is not recorded.

Since this is the case, Zhou Yun can only sigh and give up for the time being.

Well, only temporarily.

Since it is often not taught, it can only be used in a stupid way.

......

Chapter 74 of "The Best Little Scholar" is finally in the capital is in the middle of the hand, please wait a moment,

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