"Slow down!" The chief engineer, Lanwei, shouted at Danxuan, who was turning to leave.

Danxuan looked strangely at Lord Lanwei. I saw him frowning, looking at the roll in his hand and shaking his head, still murmuring in his mouth: "So it is, so it is..."

Danxuan felt puzzled, but did not reply. He just stood aside in silence, like a piece of wood.

After a while, Lanwei raised his head and looked at Danxuan in amazement. He asked, "Did you answer the last analysis question yourself?"

Danxuan got angry when he heard this and hummed softly and said, "Lord Lanwei, what do you mean by this? If I hadn't...