必要交易品·必要交易品詩人と数学者の大学の建設college_of_poets_constructionin_game/common/goods_demand/building_construction_costs.txt:653定義in_game/common/goods_demand/building_construction_costs.txt:653654lumber = 2655masonry = 3656marble = 1657glass = 2658books = 2660category = building_construction