He Jing exclaimed in surprise, "So that's how it is... Truly, another strange piece of knowledge added."
"+1, I didn't know any of this before either. I thought all we'd need to do was make firearms and kill the enemies. I never expected that the top priority in the Northern Frontier would be simply keeping the army alive!" Thinking about it, Lin Yi felt a headache coming on. "Since I found out, I can't just do nothing. I have to think of something. I remembered that when I was a child, I saw villagers pluck goose feathers and make goose-down quilts. There's no technical difficulty—it could be done in ancient times, too. Thick and warm, they'd make good clothes as well. So I immediately suggested it to A Fu. Guess what he said."
He Jing was completely drawn into the story and asked hurriedly, "What did he say?"
Lin Yi closed her eyes, her expression one of unbearable memories. "He told me that hardly anyone raises geese now! And geese don't have much feather either! Even if a few people do raise them, geese need feed, right? Sorry, people are poor now—no feed, only grass. But grass alone isn't enough nutrition, so the geese are thin and small, with sparse feathers—completely unusable as insulation material."
He Jing couldn't bear to hear it and let out a soft "Ah." "That's really tragic." She looked at Lin Yi with a determined gaze. "Don't worry, I'll do my best on the wool matter. I'll try to have the woolen clothes ready before you set off."
Reassured by He Jing's promise, Lin Yi told A Fu to see the guest out, then walked over to Gu Fang, who had been waiting quietly under the corridor.
"Husband," she naturally took Gu Fang's arm, "does our General's Mansion have much spare money?"
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