Walnut since writing the book, a year and a half, the first time to ask for leave, is really because of the force to resist the reason, now Walnut is covered in cold sweat, helpless had to ask for leave to seek medical treatment, really unable to adhere to the code word, I hope to understand, sorry.

"Black Technology R&D Center" is taking a leave of absence, is in the middle of the hand, please wait a while,

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