Petra was smart, knowledgeable, and quite imaginative. Although her tone was uncertain, she had indeed... uncovered the truth.
Stubbornly denying it, rambling randomly, or just getting up and leaving without a word—none of that would have stopped Petra from letting Yang Yi go.
And it certainly wasn't possible for Petra to check Yang Yi's ears.
But if he couldn't alleviate Petra's doubts, then Yang Yi would be too incompetent.
What to say at this moment? Best to say nothing at all, and let his abilities completely impress Petra.
Without a word, Yang Yi picked up his briefcase again, took out a pen, and then pulled out the files he had just put away, flipping to the back and began to write.
All numbers and letters, no pattern, utterly meaningless. After writing a long string of characters, Yang Yi pushed the paper toward Petra and said, "Look."