On the third day after Manstein returned from the United States, Weber came again.
This time, he didn't come alone. But before coming, Yang Ping received a formal email. The sender was Weber, and the email was meticulously written, in typical German style—title, salutation, body, attachments, everything was neatly organized:
"Professor Yang, a supplementary note on my next visit."
When Yang Ping saw this title, he felt something was off. A normal person's email title would be "I'll come next week," but Weber wrote "a supplementary note on my next visit," like a lawyer drafting a contract.
He opened the email, and the body read as follows:
