必要交易品·必要交易品大規模農園の建設plantation_constructionin_game/common/goods_demand/building_construction_costs.txt:338定義in_game/common/goods_demand/building_construction_costs.txt:338339masonry = 0.1340naval_supplies = 0.2341tools = 0.2342lumber = 1.0343category = building_construction