Zhu Dan raised an eyebrow.
Lu Xiaoyun reluctantly let go of his hand. Zhu Yu took the paper from the table and examined it carefully for a long time. It was covered with strange symbols, lines, and some odd arrows.
His brow furrowed slightly: "What is this?"
Lu Xiaoyun's brow twitched.
Although Zhu Yu examined the blueprints from all angles for a long time, Zhu Dan remained silent.
At this moment, he raised an eyebrow, took the paper back from Zhu Yu's hand in a very good mood, and spoke to Lu Xiaoyun.
“Yun’er, Fourth Brother has no knowledge of physics, mechanics, or mechanisms, and he doesn’t recognize the numbers and English symbols on it. He’s an ancient person, he can’t understand these blueprints. Let’s discuss it together.”
Zhu Yu's face was somewhat dark, so when he came in, Lu Xiaoyun quickly covered the paper. Was it to protect his pitiful self-esteem?
He looked at her.
Lu Xiaoyun pursed her lips.
Zhu Dan smiled frankly: "Fourth Brother, there are some account books that Steward Yuan just brought over. Why don't you take care of them? That's what you're good at."
Zhu Yu gritted his teeth, snatched the blueprints from Zhu Dan's hands, and pushed Zhu Dan and Lu Xiaoyun apart. "What kind of decorum is it for men and women to be so close?" he said. "Who says I can't understand it? I understand it perfectly well. I'll explain it to you right now..."
Before he could even finish speaking, Lu Yuyan sighed softly, rubbing his forehead: "Zhu Yu, you're holding the blueprints upside down."
Zhu Yu: "..."
"Forget it, stop showing off. You really wouldn't understand any of this. These are Arabic numerals, these are English letters, these represent distances, accurate to the millimeter. Forget it, you wouldn't understand even if I told you." Lu Yuyan mercilessly rubbed salt into his wounds.
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